Home / 376,929.65-520,156.88-207,160.13

Finding the Fourth Proportional to 376,929.65, 520,156.88 and 207,160.13

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Solution

The fourth proportional to 376,929.65, 520,156.88 and 207,160.13 is: 285,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,929.65 : 520,156.88 = 207,160.13 : x
  2. Step 2: Convert to fraction form
    376,929.65/520,156.88 = 207,160.13/x
  3. Step 3: Cross multiply
    376,929.65x = 520,156.88 × 207,160.13
  4. Step 4: Simplify right side
    376,929.65x = 107,755,765,845.39
  5. Step 5: Solve for x
    x = 107,755,765,845.39/376,929.65
  6. Step 6: Final answer
    x = 285,877.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.