Home / 411,724.62-617,158.75-159,178.57

Finding the Fourth Proportional to 411,724.62, 617,158.75 and 159,178.57

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Solution

The fourth proportional to 411,724.62, 617,158.75 and 159,178.57 is: 238,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,724.62 : 617,158.75 = 159,178.57 : x
  2. Step 2: Convert to fraction form
    411,724.62/617,158.75 = 159,178.57/x
  3. Step 3: Cross multiply
    411,724.62x = 617,158.75 × 159,178.57
  4. Step 4: Simplify right side
    411,724.62x = 98,238,447,287.99
  5. Step 5: Solve for x
    x = 98,238,447,287.99/411,724.62
  6. Step 6: Final answer
    x = 238,602.31

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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.