Home / 340,899.63-511,423.25-130,537.56

Finding the Fourth Proportional to 340,899.63, 511,423.25 and 130,537.56

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Solution

The fourth proportional to 340,899.63, 511,423.25 and 130,537.56 is: 195,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,899.63 : 511,423.25 = 130,537.56 : x
  2. Step 2: Convert to fraction form
    340,899.63/511,423.25 = 130,537.56/x
  3. Step 3: Cross multiply
    340,899.63x = 511,423.25 × 130,537.56
  4. Step 4: Simplify right side
    340,899.63x = 66,759,943,182.27
  5. Step 5: Solve for x
    x = 66,759,943,182.27/340,899.63
  6. Step 6: Final answer
    x = 195,834.60

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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.