Home / 384,598.04-576,534.18-135,143.96

Finding the Fourth Proportional to 384,598.04, 576,534.18 and 135,143.96

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Solution

The fourth proportional to 384,598.04, 576,534.18 and 135,143.96 is: 202,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,598.04 : 576,534.18 = 135,143.96 : x
  2. Step 2: Convert to fraction form
    384,598.04/576,534.18 = 135,143.96/x
  3. Step 3: Cross multiply
    384,598.04x = 576,534.18 × 135,143.96
  4. Step 4: Simplify right side
    384,598.04x = 77,915,112,160.55
  5. Step 5: Solve for x
    x = 77,915,112,160.55/384,598.04
  6. Step 6: Final answer
    x = 202,588.43

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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.