Home / 272,429.81-375,943.67-149,910.74

Finding the Fourth Proportional to 272,429.81, 375,943.67 and 149,910.74

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Solution

The fourth proportional to 272,429.81, 375,943.67 and 149,910.74 is: 206,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,429.81 : 375,943.67 = 149,910.74 : x
  2. Step 2: Convert to fraction form
    272,429.81/375,943.67 = 149,910.74/x
  3. Step 3: Cross multiply
    272,429.81x = 375,943.67 × 149,910.74
  4. Step 4: Simplify right side
    272,429.81x = 56,357,991,138.74
  5. Step 5: Solve for x
    x = 56,357,991,138.74/272,429.81
  6. Step 6: Final answer
    x = 206,871.61

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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.