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Finding the Fourth Proportional to 164,488.60, 246,581.70 and 164,387.80

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Solution

The fourth proportional to 164,488.60, 246,581.70 and 164,387.80 is: 246,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,488.60 : 246,581.70 = 164,387.80 : x
  2. Step 2: Convert to fraction form
    164,488.60/246,581.70 = 164,387.80/x
  3. Step 3: Cross multiply
    164,488.60x = 246,581.70 × 164,387.80
  4. Step 4: Simplify right side
    164,488.60x = 40,535,023,183.26
  5. Step 5: Solve for x
    x = 40,535,023,183.26/164,488.60
  6. Step 6: Final answer
    x = 246,430.59

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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.