Home / 377,943.60-566,137.80-259,748.40

Finding the Fourth Proportional to 377,943.60, 566,137.80 and 259,748.40

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Solution

The fourth proportional to 377,943.60, 566,137.80 and 259,748.40 is: 389,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,943.60 : 566,137.80 = 259,748.40 : x
  2. Step 2: Convert to fraction form
    377,943.60/566,137.80 = 259,748.40/x
  3. Step 3: Cross multiply
    377,943.60x = 566,137.80 × 259,748.40
  4. Step 4: Simplify right side
    377,943.60x = 147,053,387,729.52
  5. Step 5: Solve for x
    x = 147,053,387,729.52/377,943.60
  6. Step 6: Final answer
    x = 389,088.18

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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.