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Finding the Fourth Proportional to 173,646.96, 260,470.68 and 164,782.32

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Solution

The fourth proportional to 173,646.96, 260,470.68 and 164,782.32 is: 247,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,646.96 : 260,470.68 = 164,782.32 : x
  2. Step 2: Convert to fraction form
    173,646.96/260,470.68 = 164,782.32/x
  3. Step 3: Cross multiply
    173,646.96x = 260,470.68 × 164,782.32
  4. Step 4: Simplify right side
    173,646.96x = 42,920,962,942.38
  5. Step 5: Solve for x
    x = 42,920,962,942.38/173,646.96
  6. Step 6: Final answer
    x = 247,173.71

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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.