Home / 319,725.60-479,588.34-95,085.12

Finding the Fourth Proportional to 319,725.60, 479,588.34 and 95,085.12

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Solution

The fourth proportional to 319,725.60, 479,588.34 and 95,085.12 is: 142,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,725.60 : 479,588.34 = 95,085.12 : x
  2. Step 2: Convert to fraction form
    319,725.60/479,588.34 = 95,085.12/x
  3. Step 3: Cross multiply
    319,725.60x = 479,588.34 × 95,085.12
  4. Step 4: Simplify right side
    319,725.60x = 45,601,714,859.50
  5. Step 5: Solve for x
    x = 45,601,714,859.50/319,725.60
  6. Step 6: Final answer
    x = 142,627.66

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1.5x scale

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.