Home / 306,558.30-459,595.53-129,092.70

Finding the Fourth Proportional to 306,558.30, 459,595.53 and 129,092.70

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Solution

The fourth proportional to 306,558.30, 459,595.53 and 129,092.70 is: 193,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,558.30 : 459,595.53 = 129,092.70 : x
  2. Step 2: Convert to fraction form
    306,558.30/459,595.53 = 129,092.70/x
  3. Step 3: Cross multiply
    306,558.30x = 459,595.53 × 129,092.70
  4. Step 4: Simplify right side
    306,558.30x = 59,330,427,875.63
  5. Step 5: Solve for x
    x = 59,330,427,875.63/306,558.30
  6. Step 6: Final answer
    x = 193,537.18

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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.