Home / 305,948.29-459,152.22-156,313.75

Finding the Fourth Proportional to 305,948.29, 459,152.22 and 156,313.75

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Solution

The fourth proportional to 305,948.29, 459,152.22 and 156,313.75 is: 234,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,948.29 : 459,152.22 = 156,313.75 : x
  2. Step 2: Convert to fraction form
    305,948.29/459,152.22 = 156,313.75/x
  3. Step 3: Cross multiply
    305,948.29x = 459,152.22 × 156,313.75
  4. Step 4: Simplify right side
    305,948.29x = 71,771,805,329.03
  5. Step 5: Solve for x
    x = 71,771,805,329.03/305,948.29
  6. Step 6: Final answer
    x = 234,588.03

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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.