Home / 376,429.85-564,525.02-123,651.69

Finding the Fourth Proportional to 376,429.85, 564,525.02 and 123,651.69

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Solution

The fourth proportional to 376,429.85, 564,525.02 and 123,651.69 is: 185,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,429.85 : 564,525.02 = 123,651.69 : x
  2. Step 2: Convert to fraction form
    376,429.85/564,525.02 = 123,651.69/x
  3. Step 3: Cross multiply
    376,429.85x = 564,525.02 × 123,651.69
  4. Step 4: Simplify right side
    376,429.85x = 69,804,472,152.03
  5. Step 5: Solve for x
    x = 69,804,472,152.03/376,429.85
  6. Step 6: Final answer
    x = 185,438.20

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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.