Home / 231,001.80-346,502.70-213,721.80

Finding the Fourth Proportional to 231,001.80, 346,502.70 and 213,721.80

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Solution

The fourth proportional to 231,001.80, 346,502.70 and 213,721.80 is: 320,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,001.80 : 346,502.70 = 213,721.80 : x
  2. Step 2: Convert to fraction form
    231,001.80/346,502.70 = 213,721.80/x
  3. Step 3: Cross multiply
    231,001.80x = 346,502.70 × 213,721.80
  4. Step 4: Simplify right side
    231,001.80x = 74,055,180,748.86
  5. Step 5: Solve for x
    x = 74,055,180,748.86/231,001.80
  6. Step 6: Final answer
    x = 320,582.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.