Home / 307,039.20-460,558.80-129,499.08

Finding the Fourth Proportional to 307,039.20, 460,558.80 and 129,499.08

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Solution

The fourth proportional to 307,039.20, 460,558.80 and 129,499.08 is: 194,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,039.20 : 460,558.80 = 129,499.08 : x
  2. Step 2: Convert to fraction form
    307,039.20/460,558.80 = 129,499.08/x
  3. Step 3: Cross multiply
    307,039.20x = 460,558.80 × 129,499.08
  4. Step 4: Simplify right side
    307,039.20x = 59,641,940,885.90
  5. Step 5: Solve for x
    x = 59,641,940,885.90/307,039.20
  6. Step 6: Final answer
    x = 194,248.62

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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.