Home / 272,019.21-375,279.02-157,276.83

Finding the Fourth Proportional to 272,019.21, 375,279.02 and 157,276.83

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Solution

The fourth proportional to 272,019.21, 375,279.02 and 157,276.83 is: 216,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,019.21 : 375,279.02 = 157,276.83 : x
  2. Step 2: Convert to fraction form
    272,019.21/375,279.02 = 157,276.83/x
  3. Step 3: Cross multiply
    272,019.21x = 375,279.02 × 157,276.83
  4. Step 4: Simplify right side
    272,019.21x = 59,022,695,841.81
  5. Step 5: Solve for x
    x = 59,022,695,841.81/272,019.21
  6. Step 6: Final answer
    x = 216,979.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.