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Finding the Fourth Proportional to 542,842.40, 814,263.60 and 243,004.70

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Solution

The fourth proportional to 542,842.40, 814,263.60 and 243,004.70 is: 364,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,842.40 : 814,263.60 = 243,004.70 : x
  2. Step 2: Convert to fraction form
    542,842.40/814,263.60 = 243,004.70/x
  3. Step 3: Cross multiply
    542,842.40x = 814,263.60 × 243,004.70
  4. Step 4: Simplify right side
    542,842.40x = 197,869,881,838.92
  5. Step 5: Solve for x
    x = 197,869,881,838.92/542,842.40
  6. Step 6: Final answer
    x = 364,507.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.