Home / 218,941.14-328,411.72-52,729.14

Finding the Fourth Proportional to 218,941.14, 328,411.72 and 52,729.14

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Solution

The fourth proportional to 218,941.14, 328,411.72 and 52,729.14 is: 79,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,941.14 : 328,411.72 = 52,729.14 : x
  2. Step 2: Convert to fraction form
    218,941.14/328,411.72 = 52,729.14/x
  3. Step 3: Cross multiply
    218,941.14x = 328,411.72 × 52,729.14
  4. Step 4: Simplify right side
    218,941.14x = 17,316,867,561.52
  5. Step 5: Solve for x
    x = 17,316,867,561.52/218,941.14
  6. Step 6: Final answer
    x = 79,093.71

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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.