Home / 288,320.04-432,521.40-88,657.20

Finding the Fourth Proportional to 288,320.04, 432,521.40 and 88,657.20

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Solution

The fourth proportional to 288,320.04, 432,521.40 and 88,657.20 is: 132,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,320.04 : 432,521.40 = 88,657.20 : x
  2. Step 2: Convert to fraction form
    288,320.04/432,521.40 = 88,657.20/x
  3. Step 3: Cross multiply
    288,320.04x = 432,521.40 × 88,657.20
  4. Step 4: Simplify right side
    288,320.04x = 38,346,136,264.08
  5. Step 5: Solve for x
    x = 38,346,136,264.08/288,320.04
  6. Step 6: Final answer
    x = 132,998.51

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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.