Home / 340,972.47-511,479.17-104,317.20

Finding the Fourth Proportional to 340,972.47, 511,479.17 and 104,317.20

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Solution

The fourth proportional to 340,972.47, 511,479.17 and 104,317.20 is: 156,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,972.47 : 511,479.17 = 104,317.20 : x
  2. Step 2: Convert to fraction form
    340,972.47/511,479.17 = 104,317.20/x
  3. Step 3: Cross multiply
    340,972.47x = 511,479.17 × 104,317.20
  4. Step 4: Simplify right side
    340,972.47x = 53,356,072,315.33
  5. Step 5: Solve for x
    x = 53,356,072,315.33/340,972.47
  6. Step 6: Final answer
    x = 156,482.06

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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.