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Finding the Fourth Proportional to 488,256.54, 731,510.01 and 172,512.06

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Solution

The fourth proportional to 488,256.54, 731,510.01 and 172,512.06 is: 258,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,256.54 : 731,510.01 = 172,512.06 : x
  2. Step 2: Convert to fraction form
    488,256.54/731,510.01 = 172,512.06/x
  3. Step 3: Cross multiply
    488,256.54x = 731,510.01 × 172,512.06
  4. Step 4: Simplify right side
    488,256.54x = 126,194,298,735.72
  5. Step 5: Solve for x
    x = 126,194,298,735.72/488,256.54
  6. Step 6: Final answer
    x = 258,459.00

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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.