Home / 347,435.10-521,325.45-137,079.90

Finding the Fourth Proportional to 347,435.10, 521,325.45 and 137,079.90

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Solution

The fourth proportional to 347,435.10, 521,325.45 and 137,079.90 is: 205,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,435.10 : 521,325.45 = 137,079.90 : x
  2. Step 2: Convert to fraction form
    347,435.10/521,325.45 = 137,079.90/x
  3. Step 3: Cross multiply
    347,435.10x = 521,325.45 × 137,079.90
  4. Step 4: Simplify right side
    347,435.10x = 71,463,240,553.46
  5. Step 5: Solve for x
    x = 71,463,240,553.46/347,435.10
  6. Step 6: Final answer
    x = 205,688.03

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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.