Home / 377,515.50-566,360.85-128,197.74

Finding the Fourth Proportional to 377,515.50, 566,360.85 and 128,197.74

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Solution

The fourth proportional to 377,515.50, 566,360.85 and 128,197.74 is: 192,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,515.50 : 566,360.85 = 128,197.74 : x
  2. Step 2: Convert to fraction form
    377,515.50/566,360.85 = 128,197.74/x
  3. Step 3: Cross multiply
    377,515.50x = 566,360.85 × 128,197.74
  4. Step 4: Simplify right side
    377,515.50x = 72,606,180,994.48
  5. Step 5: Solve for x
    x = 72,606,180,994.48/377,515.50
  6. Step 6: Final answer
    x = 192,326.36

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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.