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Finding the Fourth Proportional to 325,347.53, 488,006.93 and 88,690.22

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Solution

The fourth proportional to 325,347.53, 488,006.93 and 88,690.22 is: 133,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,347.53 : 488,006.93 = 88,690.22 : x
  2. Step 2: Convert to fraction form
    325,347.53/488,006.93 = 88,690.22/x
  3. Step 3: Cross multiply
    325,347.53x = 488,006.93 × 88,690.22
  4. Step 4: Simplify right side
    325,347.53x = 43,281,441,983.22
  5. Step 5: Solve for x
    x = 43,281,441,983.22/325,347.53
  6. Step 6: Final answer
    x = 133,031.41

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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.