Home / 385,535.43-531,975.42-242,193.96

Finding the Fourth Proportional to 385,535.43, 531,975.42 and 242,193.96

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Solution

The fourth proportional to 385,535.43, 531,975.42 and 242,193.96 is: 334,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,535.43 : 531,975.42 = 242,193.96 : x
  2. Step 2: Convert to fraction form
    385,535.43/531,975.42 = 242,193.96/x
  3. Step 3: Cross multiply
    385,535.43x = 531,975.42 × 242,193.96
  4. Step 4: Simplify right side
    385,535.43x = 128,841,233,592.46
  5. Step 5: Solve for x
    x = 128,841,233,592.46/385,535.43
  6. Step 6: Final answer
    x = 334,187.79

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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.