Home / 310,851.02-466,276.50-86,211.45

Finding the Fourth Proportional to 310,851.02, 466,276.50 and 86,211.45

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Solution

The fourth proportional to 310,851.02, 466,276.50 and 86,211.45 is: 129,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,851.02 : 466,276.50 = 86,211.45 : x
  2. Step 2: Convert to fraction form
    310,851.02/466,276.50 = 86,211.45/x
  3. Step 3: Cross multiply
    310,851.02x = 466,276.50 × 86,211.45
  4. Step 4: Simplify right side
    310,851.02x = 40,198,372,631.46
  5. Step 5: Solve for x
    x = 40,198,372,631.46/310,851.02
  6. Step 6: Final answer
    x = 129,317.17

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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.