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Finding the Fourth Proportional to 272,209.68, 375,642.36 and 151,344.72

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Solution

The fourth proportional to 272,209.68, 375,642.36 and 151,344.72 is: 208,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,209.68 : 375,642.36 = 151,344.72 : x
  2. Step 2: Convert to fraction form
    272,209.68/375,642.36 = 151,344.72/x
  3. Step 3: Cross multiply
    272,209.68x = 375,642.36 × 151,344.72
  4. Step 4: Simplify right side
    272,209.68x = 56,851,487,794.34
  5. Step 5: Solve for x
    x = 56,851,487,794.34/272,209.68
  6. Step 6: Final answer
    x = 208,851.82

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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.