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Finding the Fourth Proportional to 342,060.60, 513,147.06 and 105,403.32

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Solution

The fourth proportional to 342,060.60, 513,147.06 and 105,403.32 is: 158,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060.60 : 513,147.06 = 105,403.32 : x
  2. Step 2: Convert to fraction form
    342,060.60/513,147.06 = 105,403.32/x
  3. Step 3: Cross multiply
    342,060.60x = 513,147.06 × 105,403.32
  4. Step 4: Simplify right side
    342,060.60x = 54,087,403,772.24
  5. Step 5: Solve for x
    x = 54,087,403,772.24/342,060.60
  6. Step 6: Final answer
    x = 158,122.29

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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.