Home / 239,669.28-359,512.80-89,894.40

Finding the Fourth Proportional to 239,669.28, 359,512.80 and 89,894.40

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Solution

The fourth proportional to 239,669.28, 359,512.80 and 89,894.40 is: 134,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,669.28 : 359,512.80 = 89,894.40 : x
  2. Step 2: Convert to fraction form
    239,669.28/359,512.80 = 89,894.40/x
  3. Step 3: Cross multiply
    239,669.28x = 359,512.80 × 89,894.40
  4. Step 4: Simplify right side
    239,669.28x = 32,318,187,448.32
  5. Step 5: Solve for x
    x = 32,318,187,448.32/239,669.28
  6. Step 6: Final answer
    x = 134,844.93

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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.