Home / 425,148.30-637,812.41-140,822.75

Finding the Fourth Proportional to 425,148.30, 637,812.41 and 140,822.75

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Solution

The fourth proportional to 425,148.30, 637,812.41 and 140,822.75 is: 211,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,148.30 : 637,812.41 = 140,822.75 : x
  2. Step 2: Convert to fraction form
    425,148.30/637,812.41 = 140,822.75/x
  3. Step 3: Cross multiply
    425,148.30x = 637,812.41 × 140,822.75
  4. Step 4: Simplify right side
    425,148.30x = 89,818,498,450.74
  5. Step 5: Solve for x
    x = 89,818,498,450.74/425,148.30
  6. Step 6: Final answer
    x = 211,263.92

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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.