Home / 272,340.18-375,824.04-151,478.86

Finding the Fourth Proportional to 272,340.18, 375,824.04 and 151,478.86

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Solution

The fourth proportional to 272,340.18, 375,824.04 and 151,478.86 is: 209,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,340.18 : 375,824.04 = 151,478.86 : x
  2. Step 2: Convert to fraction form
    272,340.18/375,824.04 = 151,478.86/x
  3. Step 3: Cross multiply
    272,340.18x = 375,824.04 × 151,478.86
  4. Step 4: Simplify right side
    272,340.18x = 56,929,397,139.79
  5. Step 5: Solve for x
    x = 56,929,397,139.79/272,340.18
  6. Step 6: Final answer
    x = 209,037.82

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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.