Home / 272,214.57-375,646.26-149,705.91

Finding the Fourth Proportional to 272,214.57, 375,646.26 and 149,705.91

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Solution

The fourth proportional to 272,214.57, 375,646.26 and 149,705.91 is: 206,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,214.57 : 375,646.26 = 149,705.91 : x
  2. Step 2: Convert to fraction form
    272,214.57/375,646.26 = 149,705.91/x
  3. Step 3: Cross multiply
    272,214.57x = 375,646.26 × 149,705.91
  4. Step 4: Simplify right side
    272,214.57x = 56,236,465,191.40
  5. Step 5: Solve for x
    x = 56,236,465,191.40/272,214.57
  6. Step 6: Final answer
    x = 206,588.74

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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.