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Finding the Fourth Proportional to 173,296.60, 260,060.10 and 98,416.60

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Solution

The fourth proportional to 173,296.60, 260,060.10 and 98,416.60 is: 147,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,296.60 : 260,060.10 = 98,416.60 : x
  2. Step 2: Convert to fraction form
    173,296.60/260,060.10 = 98,416.60/x
  3. Step 3: Cross multiply
    173,296.60x = 260,060.10 × 98,416.60
  4. Step 4: Simplify right side
    173,296.60x = 25,594,230,837.66
  5. Step 5: Solve for x
    x = 25,594,230,837.66/173,296.60
  6. Step 6: Final answer
    x = 147,690.32

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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.