Home / 312,847.02-469,270.29-113,120.58

Finding the Fourth Proportional to 312,847.02, 469,270.29 and 113,120.58

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Solution

The fourth proportional to 312,847.02, 469,270.29 and 113,120.58 is: 169,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,847.02 : 469,270.29 = 113,120.58 : x
  2. Step 2: Convert to fraction form
    312,847.02/469,270.29 = 113,120.58/x
  3. Step 3: Cross multiply
    312,847.02x = 469,270.29 × 113,120.58
  4. Step 4: Simplify right side
    312,847.02x = 53,084,127,381.57
  5. Step 5: Solve for x
    x = 53,084,127,381.57/312,847.02
  6. Step 6: Final answer
    x = 169,680.78

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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.