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Finding the Fourth Proportional to 526,652.30, 790,060.38 and 171,583.70

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Solution

The fourth proportional to 526,652.30, 790,060.38 and 171,583.70 is: 257,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,652.30 : 790,060.38 = 171,583.70 : x
  2. Step 2: Convert to fraction form
    526,652.30/790,060.38 = 171,583.70/x
  3. Step 3: Cross multiply
    526,652.30x = 790,060.38 × 171,583.70
  4. Step 4: Simplify right side
    526,652.30x = 135,561,483,223.81
  5. Step 5: Solve for x
    x = 135,561,483,223.81/526,652.30
  6. Step 6: Final answer
    x = 257,402.24

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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.