Home / 412,519.92-569,312.32-231,228.96

Finding the Fourth Proportional to 412,519.92, 569,312.32 and 231,228.96

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Solution

The fourth proportional to 412,519.92, 569,312.32 and 231,228.96 is: 319,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,519.92 : 569,312.32 = 231,228.96 : x
  2. Step 2: Convert to fraction form
    412,519.92/569,312.32 = 231,228.96/x
  3. Step 3: Cross multiply
    412,519.92x = 569,312.32 × 231,228.96
  4. Step 4: Simplify right side
    412,519.92x = 131,641,495,668.79
  5. Step 5: Solve for x
    x = 131,641,495,668.79/412,519.92
  6. Step 6: Final answer
    x = 319,115.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.