Home / 288,157.87-432,301.06-88,498.40

Finding the Fourth Proportional to 288,157.87, 432,301.06 and 88,498.40

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Solution

The fourth proportional to 288,157.87, 432,301.06 and 88,498.40 is: 132,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,157.87 : 432,301.06 = 88,498.40 : x
  2. Step 2: Convert to fraction form
    288,157.87/432,301.06 = 88,498.40/x
  3. Step 3: Cross multiply
    288,157.87x = 432,301.06 × 88,498.40
  4. Step 4: Simplify right side
    288,157.87x = 38,257,952,128.30
  5. Step 5: Solve for x
    x = 38,257,952,128.30/288,157.87
  6. Step 6: Final answer
    x = 132,767.34

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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.