Home / 274,023.55-378,170.18-153,169.93

Finding the Fourth Proportional to 274,023.55, 378,170.18 and 153,169.93

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Solution

The fourth proportional to 274,023.55, 378,170.18 and 153,169.93 is: 211,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,023.55 : 378,170.18 = 153,169.93 : x
  2. Step 2: Convert to fraction form
    274,023.55/378,170.18 = 153,169.93/x
  3. Step 3: Cross multiply
    274,023.55x = 378,170.18 × 153,169.93
  4. Step 4: Simplify right side
    274,023.55x = 57,924,299,998.69
  5. Step 5: Solve for x
    x = 57,924,299,998.69/274,023.55
  6. Step 6: Final answer
    x = 211,384.39

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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.