Home / 306,486.19-459,724.67-137,887.46

Finding the Fourth Proportional to 306,486.19, 459,724.67 and 137,887.46

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Solution

The fourth proportional to 306,486.19, 459,724.67 and 137,887.46 is: 206,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,486.19 : 459,724.67 = 137,887.46 : x
  2. Step 2: Convert to fraction form
    306,486.19/459,724.67 = 137,887.46/x
  3. Step 3: Cross multiply
    306,486.19x = 459,724.67 × 137,887.46
  4. Step 4: Simplify right side
    306,486.19x = 63,390,264,747.01
  5. Step 5: Solve for x
    x = 63,390,264,747.01/306,486.19
  6. Step 6: Final answer
    x = 206,829.11

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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.