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Finding the Fourth Proportional to 552,013.60, 828,020.40 and 172,937.50

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Solution

The fourth proportional to 552,013.60, 828,020.40 and 172,937.50 is: 259,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,013.60 : 828,020.40 = 172,937.50 : x
  2. Step 2: Convert to fraction form
    552,013.60/828,020.40 = 172,937.50/x
  3. Step 3: Cross multiply
    552,013.60x = 828,020.40 × 172,937.50
  4. Step 4: Simplify right side
    552,013.60x = 143,195,777,925
  5. Step 5: Solve for x
    x = 143,195,777,925/552,013.60
  6. Step 6: Final answer
    x = 259,406.25

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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.