Home / 498,040.20-746,938.80-143,017.20

Finding the Fourth Proportional to 498,040.20, 746,938.80 and 143,017.20

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Solution

The fourth proportional to 498,040.20, 746,938.80 and 143,017.20 is: 214,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,040.20 : 746,938.80 = 143,017.20 : x
  2. Step 2: Convert to fraction form
    498,040.20/746,938.80 = 143,017.20/x
  3. Step 3: Cross multiply
    498,040.20x = 746,938.80 × 143,017.20
  4. Step 4: Simplify right side
    498,040.20x = 106,825,095,747.36
  5. Step 5: Solve for x
    x = 106,825,095,747.36/498,040.20
  6. Step 6: Final answer
    x = 214,490.91

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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.