Home / 215,948.02-323,984.29-66,210.41

Finding the Fourth Proportional to 215,948.02, 323,984.29 and 66,210.41

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Solution

The fourth proportional to 215,948.02, 323,984.29 and 66,210.41 is: 99,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,948.02 : 323,984.29 = 66,210.41 : x
  2. Step 2: Convert to fraction form
    215,948.02/323,984.29 = 66,210.41/x
  3. Step 3: Cross multiply
    215,948.02x = 323,984.29 × 66,210.41
  4. Step 4: Simplify right side
    215,948.02x = 21,451,132,674.46
  5. Step 5: Solve for x
    x = 21,451,132,674.46/215,948.02
  6. Step 6: Final answer
    x = 99,334.70

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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.