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Finding the Fourth Proportional to 243,967.35, 365,880.80 and 84,036.82

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Solution

The fourth proportional to 243,967.35, 365,880.80 and 84,036.82 is: 126,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,967.35 : 365,880.80 = 84,036.82 : x
  2. Step 2: Convert to fraction form
    243,967.35/365,880.80 = 84,036.82/x
  3. Step 3: Cross multiply
    243,967.35x = 365,880.80 × 84,036.82
  4. Step 4: Simplify right side
    243,967.35x = 30,747,459,726.07
  5. Step 5: Solve for x
    x = 30,747,459,726.07/243,967.35
  6. Step 6: Final answer
    x = 126,031.04

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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.