Home / 306,212.10-459,099.45-137,594.40

Finding the Fourth Proportional to 306,212.10, 459,099.45 and 137,594.40

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Solution

The fourth proportional to 306,212.10, 459,099.45 and 137,594.40 is: 206,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,212.10 : 459,099.45 = 137,594.40 : x
  2. Step 2: Convert to fraction form
    306,212.10/459,099.45 = 137,594.40/x
  3. Step 3: Cross multiply
    306,212.10x = 459,099.45 × 137,594.40
  4. Step 4: Simplify right side
    306,212.10x = 63,169,513,363.08
  5. Step 5: Solve for x
    x = 63,169,513,363.08/306,212.10
  6. Step 6: Final answer
    x = 206,293.33

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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.