Home / 346,544.20-519,815.92-130,443.28

Finding the Fourth Proportional to 346,544.20, 519,815.92 and 130,443.28

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Solution

The fourth proportional to 346,544.20, 519,815.92 and 130,443.28 is: 195,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,544.20 : 519,815.92 = 130,443.28 : x
  2. Step 2: Convert to fraction form
    346,544.20/519,815.92 = 130,443.28/x
  3. Step 3: Cross multiply
    346,544.20x = 519,815.92 × 130,443.28
  4. Step 4: Simplify right side
    346,544.20x = 67,806,493,601.02
  5. Step 5: Solve for x
    x = 67,806,493,601.02/346,544.20
  6. Step 6: Final answer
    x = 195,664.78

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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.