Home / 268,001.12-401,476.08-155,444.80

Finding the Fourth Proportional to 268,001.12, 401,476.08 and 155,444.80

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Solution

The fourth proportional to 268,001.12, 401,476.08 and 155,444.80 is: 232,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,001.12 : 401,476.08 = 155,444.80 : x
  2. Step 2: Convert to fraction form
    268,001.12/401,476.08 = 155,444.80/x
  3. Step 3: Cross multiply
    268,001.12x = 401,476.08 × 155,444.80
  4. Step 4: Simplify right side
    268,001.12x = 62,407,368,960.38
  5. Step 5: Solve for x
    x = 62,407,368,960.38/268,001.12
  6. Step 6: Final answer
    x = 232,862.34

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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.