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Finding the Fourth Proportional to 239,478, 359,215.56 and 61,984.32

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Solution

The fourth proportional to 239,478, 359,215.56 and 61,984.32 is: 92,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,478 : 359,215.56 = 61,984.32 : x
  2. Step 2: Convert to fraction form
    239,478/359,215.56 = 61,984.32/x
  3. Step 3: Cross multiply
    239,478x = 359,215.56 × 61,984.32
  4. Step 4: Simplify right side
    239,478x = 22,265,732,220.02
  5. Step 5: Solve for x
    x = 22,265,732,220.02/239,478
  6. Step 6: Final answer
    x = 92,976.11

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1.5x scale

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.