Home / 401,672.07-554,307.41-229,593.71

Finding the Fourth Proportional to 401,672.07, 554,307.41 and 229,593.71

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Solution

The fourth proportional to 401,672.07, 554,307.41 and 229,593.71 is: 316,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,672.07 : 554,307.41 = 229,593.71 : x
  2. Step 2: Convert to fraction form
    401,672.07/554,307.41 = 229,593.71/x
  3. Step 3: Cross multiply
    401,672.07x = 554,307.41 × 229,593.71
  4. Step 4: Simplify right side
    401,672.07x = 127,265,490,822.89
  5. Step 5: Solve for x
    x = 127,265,490,822.89/401,672.07
  6. Step 6: Final answer
    x = 316,839.29

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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.