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Finding the Fourth Proportional to 377,290.17, 520,649.57 and 207,524.30

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Solution

The fourth proportional to 377,290.17, 520,649.57 and 207,524.30 is: 286,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,290.17 : 520,649.57 = 207,524.30 : x
  2. Step 2: Convert to fraction form
    377,290.17/520,649.57 = 207,524.30/x
  3. Step 3: Cross multiply
    377,290.17x = 520,649.57 × 207,524.30
  4. Step 4: Simplify right side
    377,290.17x = 108,047,435,475.11
  5. Step 5: Solve for x
    x = 108,047,435,475.11/377,290.17
  6. Step 6: Final answer
    x = 286,377.55

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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.