Home / 288,619.02-432,971.55-88,922.70

Finding the Fourth Proportional to 288,619.02, 432,971.55 and 88,922.70

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Solution

The fourth proportional to 288,619.02, 432,971.55 and 88,922.70 is: 133,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,619.02 : 432,971.55 = 88,922.70 : x
  2. Step 2: Convert to fraction form
    288,619.02/432,971.55 = 88,922.70/x
  3. Step 3: Cross multiply
    288,619.02x = 432,971.55 × 88,922.70
  4. Step 4: Simplify right side
    288,619.02x = 38,500,999,249.19
  5. Step 5: Solve for x
    x = 38,500,999,249.19/288,619.02
  6. Step 6: Final answer
    x = 133,397.30

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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.