Home / 384,936.40-576,278.64-224,521.84

Finding the Fourth Proportional to 384,936.40, 576,278.64 and 224,521.84

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Solution

The fourth proportional to 384,936.40, 576,278.64 and 224,521.84 is: 336,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,936.40 : 576,278.64 = 224,521.84 : x
  2. Step 2: Convert to fraction form
    384,936.40/576,278.64 = 224,521.84/x
  3. Step 3: Cross multiply
    384,936.40x = 576,278.64 × 224,521.84
  4. Step 4: Simplify right side
    384,936.40x = 129,387,140,605.50
  5. Step 5: Solve for x
    x = 129,387,140,605.50/384,936.40
  6. Step 6: Final answer
    x = 336,126.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.