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Finding the Fourth Proportional to 363,426.68, 501,244.80 and 236,143.28

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Solution

The fourth proportional to 363,426.68, 501,244.80 and 236,143.28 is: 325,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,426.68 : 501,244.80 = 236,143.28 : x
  2. Step 2: Convert to fraction form
    363,426.68/501,244.80 = 236,143.28/x
  3. Step 3: Cross multiply
    363,426.68x = 501,244.80 × 236,143.28
  4. Step 4: Simplify right side
    363,426.68x = 118,365,591,154.94
  5. Step 5: Solve for x
    x = 118,365,591,154.94/363,426.68
  6. Step 6: Final answer
    x = 325,693.18

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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.