Home / 400,724.04-601,307.42-223,331.02

Finding the Fourth Proportional to 400,724.04, 601,307.42 and 223,331.02

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Solution

The fourth proportional to 400,724.04, 601,307.42 and 223,331.02 is: 335,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,724.04 : 601,307.42 = 223,331.02 : x
  2. Step 2: Convert to fraction form
    400,724.04/601,307.42 = 223,331.02/x
  3. Step 3: Cross multiply
    400,724.04x = 601,307.42 × 223,331.02
  4. Step 4: Simplify right side
    400,724.04x = 134,290,599,442.17
  5. Step 5: Solve for x
    x = 134,290,599,442.17/400,724.04
  6. Step 6: Final answer
    x = 335,119.90

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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.