Home / 348,023.40-521,613.90-147,923.70

Finding the Fourth Proportional to 348,023.40, 521,613.90 and 147,923.70

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Solution

The fourth proportional to 348,023.40, 521,613.90 and 147,923.70 is: 221,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,023.40 : 521,613.90 = 147,923.70 : x
  2. Step 2: Convert to fraction form
    348,023.40/521,613.90 = 147,923.70/x
  3. Step 3: Cross multiply
    348,023.40x = 521,613.90 × 147,923.70
  4. Step 4: Simplify right side
    348,023.40x = 77,159,058,059.43
  5. Step 5: Solve for x
    x = 77,159,058,059.43/348,023.40
  6. Step 6: Final answer
    x = 221,706.52

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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.