Home / 340,802.19-511,204.50-104,143.88

Finding the Fourth Proportional to 340,802.19, 511,204.50 and 104,143.88

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Solution

The fourth proportional to 340,802.19, 511,204.50 and 104,143.88 is: 156,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,802.19 : 511,204.50 = 104,143.88 : x
  2. Step 2: Convert to fraction form
    340,802.19/511,204.50 = 104,143.88/x
  3. Step 3: Cross multiply
    340,802.19x = 511,204.50 × 104,143.88
  4. Step 4: Simplify right side
    340,802.19x = 53,238,821,381.47
  5. Step 5: Solve for x
    x = 53,238,821,381.47/340,802.19
  6. Step 6: Final answer
    x = 156,216.20

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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.