Home / 306,936.30-460,467.21-129,443.46

Finding the Fourth Proportional to 306,936.30, 460,467.21 and 129,443.46

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Solution

The fourth proportional to 306,936.30, 460,467.21 and 129,443.46 is: 194,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,936.30 : 460,467.21 = 129,443.46 : x
  2. Step 2: Convert to fraction form
    306,936.30/460,467.21 = 129,443.46/x
  3. Step 3: Cross multiply
    306,936.30x = 460,467.21 × 129,443.46
  4. Step 4: Simplify right side
    306,936.30x = 59,604,468,878.95
  5. Step 5: Solve for x
    x = 59,604,468,878.95/306,936.30
  6. Step 6: Final answer
    x = 194,191.66

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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.