Home / 238,948.80-358,319.04-72,697.92

Finding the Fourth Proportional to 238,948.80, 358,319.04 and 72,697.92

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Solution

The fourth proportional to 238,948.80, 358,319.04 and 72,697.92 is: 109,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,948.80 : 358,319.04 = 72,697.92 : x
  2. Step 2: Convert to fraction form
    238,948.80/358,319.04 = 72,697.92/x
  3. Step 3: Cross multiply
    238,948.80x = 358,319.04 × 72,697.92
  4. Step 4: Simplify right side
    238,948.80x = 26,049,048,904.40
  5. Step 5: Solve for x
    x = 26,049,048,904.40/238,948.80
  6. Step 6: Final answer
    x = 109,015.19

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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.