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Finding the Fourth Proportional to 377,617.80, 566,426.70 and 217,966.80

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Solution

The fourth proportional to 377,617.80, 566,426.70 and 217,966.80 is: 326,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,617.80 : 566,426.70 = 217,966.80 : x
  2. Step 2: Convert to fraction form
    377,617.80/566,426.70 = 217,966.80/x
  3. Step 3: Cross multiply
    377,617.80x = 566,426.70 × 217,966.80
  4. Step 4: Simplify right side
    377,617.80x = 123,462,215,233.56
  5. Step 5: Solve for x
    x = 123,462,215,233.56/377,617.80
  6. Step 6: Final answer
    x = 326,950.20

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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.