Home / 385,421.39-531,752.33-224,241.92

Finding the Fourth Proportional to 385,421.39, 531,752.33 and 224,241.92

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Solution

The fourth proportional to 385,421.39, 531,752.33 and 224,241.92 is: 309,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,421.39 : 531,752.33 = 224,241.92 : x
  2. Step 2: Convert to fraction form
    385,421.39/531,752.33 = 224,241.92/x
  3. Step 3: Cross multiply
    385,421.39x = 531,752.33 × 224,241.92
  4. Step 4: Simplify right side
    385,421.39x = 119,241,159,663.70
  5. Step 5: Solve for x
    x = 119,241,159,663.70/385,421.39
  6. Step 6: Final answer
    x = 309,378.68

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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.