Home / 340,899.13-511,422.50-130,537.07

Finding the Fourth Proportional to 340,899.13, 511,422.50 and 130,537.07

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Solution

The fourth proportional to 340,899.13, 511,422.50 and 130,537.07 is: 195,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,899.13 : 511,422.50 = 130,537.07 : x
  2. Step 2: Convert to fraction form
    340,899.13/511,422.50 = 130,537.07/x
  3. Step 3: Cross multiply
    340,899.13x = 511,422.50 × 130,537.07
  4. Step 4: Simplify right side
    340,899.13x = 66,759,592,124.96
  5. Step 5: Solve for x
    x = 66,759,592,124.96/340,899.13
  6. Step 6: Final answer
    x = 195,833.86

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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.