Home / 348,205.80-522,355.20-137,794.56

Finding the Fourth Proportional to 348,205.80, 522,355.20 and 137,794.56

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Solution

The fourth proportional to 348,205.80, 522,355.20 and 137,794.56 is: 206,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,205.80 : 522,355.20 = 137,794.56 : x
  2. Step 2: Convert to fraction form
    348,205.80/522,355.20 = 137,794.56/x
  3. Step 3: Cross multiply
    348,205.80x = 522,355.20 × 137,794.56
  4. Step 4: Simplify right side
    348,205.80x = 71,977,704,947.71
  5. Step 5: Solve for x
    x = 71,977,704,947.71/348,205.80
  6. Step 6: Final answer
    x = 206,710.24

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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.