Home / 547,406.20-821,103.60-173,429.20

Finding the Fourth Proportional to 547,406.20, 821,103.60 and 173,429.20

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Solution

The fourth proportional to 547,406.20, 821,103.60 and 173,429.20 is: 260,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,406.20 : 821,103.60 = 173,429.20 : x
  2. Step 2: Convert to fraction form
    547,406.20/821,103.60 = 173,429.20/x
  3. Step 3: Cross multiply
    547,406.20x = 821,103.60 × 173,429.20
  4. Step 4: Simplify right side
    547,406.20x = 142,403,340,465.12
  5. Step 5: Solve for x
    x = 142,403,340,465.12/547,406.20
  6. Step 6: Final answer
    x = 260,141.99

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1.5x scale

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.