Home / 401,057.12-553,442.48-239,817.04

Finding the Fourth Proportional to 401,057.12, 553,442.48 and 239,817.04

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Solution

The fourth proportional to 401,057.12, 553,442.48 and 239,817.04 is: 330,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,057.12 : 553,442.48 = 239,817.04 : x
  2. Step 2: Convert to fraction form
    401,057.12/553,442.48 = 239,817.04/x
  3. Step 3: Cross multiply
    401,057.12x = 553,442.48 × 239,817.04
  4. Step 4: Simplify right side
    401,057.12x = 132,724,937,363.86
  5. Step 5: Solve for x
    x = 132,724,937,363.86/401,057.12
  6. Step 6: Final answer
    x = 330,937.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.