Home / 310,851.14-466,276.69-86,211.57

Finding the Fourth Proportional to 310,851.14, 466,276.69 and 86,211.57

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Solution

The fourth proportional to 310,851.14, 466,276.69 and 86,211.57 is: 129,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,851.14 : 466,276.69 = 86,211.57 : x
  2. Step 2: Convert to fraction form
    310,851.14/466,276.69 = 86,211.57/x
  3. Step 3: Cross multiply
    310,851.14x = 466,276.69 × 86,211.57
  4. Step 4: Simplify right side
    310,851.14x = 40,198,447,140.08
  5. Step 5: Solve for x
    x = 40,198,447,140.08/310,851.14
  6. Step 6: Final answer
    x = 129,317.35

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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.