Home / 425,337.16-637,972.24-185,445.40

Finding the Fourth Proportional to 425,337.16, 637,972.24 and 185,445.40

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Solution

The fourth proportional to 425,337.16, 637,972.24 and 185,445.40 is: 278,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,337.16 : 637,972.24 = 185,445.40 : x
  2. Step 2: Convert to fraction form
    425,337.16/637,972.24 = 185,445.40/x
  3. Step 3: Cross multiply
    425,337.16x = 637,972.24 × 185,445.40
  4. Step 4: Simplify right side
    425,337.16x = 118,309,017,235.70
  5. Step 5: Solve for x
    x = 118,309,017,235.70/425,337.16
  6. Step 6: Final answer
    x = 278,153.49

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1.5x scale

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.