Home / 338,547.13-467,195.10-187,644.13

Finding the Fourth Proportional to 338,547.13, 467,195.10 and 187,644.13

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Solution

The fourth proportional to 338,547.13, 467,195.10 and 187,644.13 is: 258,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,547.13 : 467,195.10 = 187,644.13 : x
  2. Step 2: Convert to fraction form
    338,547.13/467,195.10 = 187,644.13/x
  3. Step 3: Cross multiply
    338,547.13x = 467,195.10 × 187,644.13
  4. Step 4: Simplify right side
    338,547.13x = 87,666,418,079.76
  5. Step 5: Solve for x
    x = 87,666,418,079.76/338,547.13
  6. Step 6: Final answer
    x = 258,948.93

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1.5x scale

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.