Home / 218,723.67-328,085.64-60,956.28

Finding the Fourth Proportional to 218,723.67, 328,085.64 and 60,956.28

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Solution

The fourth proportional to 218,723.67, 328,085.64 and 60,956.28 is: 91,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,723.67 : 328,085.64 = 60,956.28 : x
  2. Step 2: Convert to fraction form
    218,723.67/328,085.64 = 60,956.28/x
  3. Step 3: Cross multiply
    218,723.67x = 328,085.64 × 60,956.28
  4. Step 4: Simplify right side
    218,723.67x = 19,998,880,135.82
  5. Step 5: Solve for x
    x = 19,998,880,135.82/218,723.67
  6. Step 6: Final answer
    x = 91,434.46

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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.