Home / 288,619.44-432,985.86-88,905.84

Finding the Fourth Proportional to 288,619.44, 432,985.86 and 88,905.84

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Solution

The fourth proportional to 288,619.44, 432,985.86 and 88,905.84 is: 133,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,619.44 : 432,985.86 = 88,905.84 : x
  2. Step 2: Convert to fraction form
    288,619.44/432,985.86 = 88,905.84/x
  3. Step 3: Cross multiply
    288,619.44x = 432,985.86 × 88,905.84
  4. Step 4: Simplify right side
    288,619.44x = 38,494,971,591.42
  5. Step 5: Solve for x
    x = 38,494,971,591.42/288,619.44
  6. Step 6: Final answer
    x = 133,376.23

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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.