Home / 307,354.41-460,920.78-129,875.19

Finding the Fourth Proportional to 307,354.41, 460,920.78 and 129,875.19

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Solution

The fourth proportional to 307,354.41, 460,920.78 and 129,875.19 is: 194,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,354.41 : 460,920.78 = 129,875.19 : x
  2. Step 2: Convert to fraction form
    307,354.41/460,920.78 = 129,875.19/x
  3. Step 3: Cross multiply
    307,354.41x = 460,920.78 × 129,875.19
  4. Step 4: Simplify right side
    307,354.41x = 59,862,173,877.45
  5. Step 5: Solve for x
    x = 59,862,173,877.45/307,354.41
  6. Step 6: Final answer
    x = 194,765.95

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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.