Home / 306,996.06-460,543.29-129,529.21

Finding the Fourth Proportional to 306,996.06, 460,543.29 and 129,529.21

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Solution

The fourth proportional to 306,996.06, 460,543.29 and 129,529.21 is: 194,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,996.06 : 460,543.29 = 129,529.21 : x
  2. Step 2: Convert to fraction form
    306,996.06/460,543.29 = 129,529.21/x
  3. Step 3: Cross multiply
    306,996.06x = 460,543.29 × 129,529.21
  4. Step 4: Simplify right side
    306,996.06x = 59,653,808,843.83
  5. Step 5: Solve for x
    x = 59,653,808,843.83/306,996.06
  6. Step 6: Final answer
    x = 194,314.58

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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.