Home / 340,907.25-511,434.69-130,545.20

Finding the Fourth Proportional to 340,907.25, 511,434.69 and 130,545.20

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Solution

The fourth proportional to 340,907.25, 511,434.69 and 130,545.20 is: 195,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,907.25 : 511,434.69 = 130,545.20 : x
  2. Step 2: Convert to fraction form
    340,907.25/511,434.69 = 130,545.20/x
  3. Step 3: Cross multiply
    340,907.25x = 511,434.69 × 130,545.20
  4. Step 4: Simplify right side
    340,907.25x = 66,765,341,335.81
  5. Step 5: Solve for x
    x = 66,765,341,335.81/340,907.25
  6. Step 6: Final answer
    x = 195,846.06

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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.