Home / 318,127.49-477,117.42-140,537.62

Finding the Fourth Proportional to 318,127.49, 477,117.42 and 140,537.62

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Solution

The fourth proportional to 318,127.49, 477,117.42 and 140,537.62 is: 210,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,127.49 : 477,117.42 = 140,537.62 : x
  2. Step 2: Convert to fraction form
    318,127.49/477,117.42 = 140,537.62/x
  3. Step 3: Cross multiply
    318,127.49x = 477,117.42 × 140,537.62
  4. Step 4: Simplify right side
    318,127.49x = 67,052,946,667.34
  5. Step 5: Solve for x
    x = 67,052,946,667.34/318,127.49
  6. Step 6: Final answer
    x = 210,773.82

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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.