Home / 411,932.80-617,438.40-175,235.20

Finding the Fourth Proportional to 411,932.80, 617,438.40 and 175,235.20

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Solution

The fourth proportional to 411,932.80, 617,438.40 and 175,235.20 is: 262,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,932.80 : 617,438.40 = 175,235.20 : x
  2. Step 2: Convert to fraction form
    411,932.80/617,438.40 = 175,235.20/x
  3. Step 3: Cross multiply
    411,932.80x = 617,438.40 × 175,235.20
  4. Step 4: Simplify right side
    411,932.80x = 108,196,941,511.68
  5. Step 5: Solve for x
    x = 108,196,941,511.68/411,932.80
  6. Step 6: Final answer
    x = 262,656.78

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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.