Home / 218,917.72-328,376.58-169,070.52

Finding the Fourth Proportional to 218,917.72, 328,376.58 and 169,070.52

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Solution

The fourth proportional to 218,917.72, 328,376.58 and 169,070.52 is: 253,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,917.72 : 328,376.58 = 169,070.52 : x
  2. Step 2: Convert to fraction form
    218,917.72/328,376.58 = 169,070.52/x
  3. Step 3: Cross multiply
    218,917.72x = 328,376.58 × 169,070.52
  4. Step 4: Simplify right side
    218,917.72x = 55,518,798,291.07
  5. Step 5: Solve for x
    x = 55,518,798,291.07/218,917.72
  6. Step 6: Final answer
    x = 253,605.78

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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.