Home / 403,927.22-557,386.77-234,172.28

Finding the Fourth Proportional to 403,927.22, 557,386.77 and 234,172.28

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Solution

The fourth proportional to 403,927.22, 557,386.77 and 234,172.28 is: 323,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,927.22 : 557,386.77 = 234,172.28 : x
  2. Step 2: Convert to fraction form
    403,927.22/557,386.77 = 234,172.28/x
  3. Step 3: Cross multiply
    403,927.22x = 557,386.77 × 234,172.28
  4. Step 4: Simplify right side
    403,927.22x = 130,524,527,985.80
  5. Step 5: Solve for x
    x = 130,524,527,985.80/403,927.22
  6. Step 6: Final answer
    x = 323,138.73

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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.