Home / 272,288.47-375,767.67-151,434.85

Finding the Fourth Proportional to 272,288.47, 375,767.67 and 151,434.85

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Solution

The fourth proportional to 272,288.47, 375,767.67 and 151,434.85 is: 208,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,288.47 : 375,767.67 = 151,434.85 : x
  2. Step 2: Convert to fraction form
    272,288.47/375,767.67 = 151,434.85/x
  3. Step 3: Cross multiply
    272,288.47x = 375,767.67 × 151,434.85
  4. Step 4: Simplify right side
    272,288.47x = 56,904,320,741.30
  5. Step 5: Solve for x
    x = 56,904,320,741.30/272,288.47
  6. Step 6: Final answer
    x = 208,985.42

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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.