Home / 385,291.11-531,808.59-224,177.28

Finding the Fourth Proportional to 385,291.11, 531,808.59 and 224,177.28

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Solution

The fourth proportional to 385,291.11, 531,808.59 and 224,177.28 is: 309,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,291.11 : 531,808.59 = 224,177.28 : x
  2. Step 2: Convert to fraction form
    385,291.11/531,808.59 = 224,177.28/x
  3. Step 3: Cross multiply
    385,291.11x = 531,808.59 × 224,177.28
  4. Step 4: Simplify right side
    385,291.11x = 119,219,403,186.84
  5. Step 5: Solve for x
    x = 119,219,403,186.84/385,291.11
  6. Step 6: Final answer
    x = 309,426.82

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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.