Home / 287,738.93-431,593.06-88,059.45

Finding the Fourth Proportional to 287,738.93, 431,593.06 and 88,059.45

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Solution

The fourth proportional to 287,738.93, 431,593.06 and 88,059.45 is: 132,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,738.93 : 431,593.06 = 88,059.45 : x
  2. Step 2: Convert to fraction form
    287,738.93/431,593.06 = 88,059.45/x
  3. Step 3: Cross multiply
    287,738.93x = 431,593.06 × 88,059.45
  4. Step 4: Simplify right side
    287,738.93x = 38,005,849,050.85
  5. Step 5: Solve for x
    x = 38,005,849,050.85/287,738.93
  6. Step 6: Final answer
    x = 132,084.49

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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.