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Finding the Fourth Proportional to 392,400.04, 541,501.84 and 229,087.84

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Solution

The fourth proportional to 392,400.04, 541,501.84 and 229,087.84 is: 316,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,400.04 : 541,501.84 = 229,087.84 : x
  2. Step 2: Convert to fraction form
    392,400.04/541,501.84 = 229,087.84/x
  3. Step 3: Cross multiply
    392,400.04x = 541,501.84 × 229,087.84
  4. Step 4: Simplify right side
    392,400.04x = 124,051,486,881.63
  5. Step 5: Solve for x
    x = 124,051,486,881.63/392,400.04
  6. Step 6: Final answer
    x = 316,135.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.