Home / 291,999.20-402,898.74-167,796.16

Finding the Fourth Proportional to 291,999.20, 402,898.74 and 167,796.16

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Solution

The fourth proportional to 291,999.20, 402,898.74 and 167,796.16 is: 231,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,999.20 : 402,898.74 = 167,796.16 : x
  2. Step 2: Convert to fraction form
    291,999.20/402,898.74 = 167,796.16/x
  3. Step 3: Cross multiply
    291,999.20x = 402,898.74 × 167,796.16
  4. Step 4: Simplify right side
    291,999.20x = 67,604,861,440.84
  5. Step 5: Solve for x
    x = 67,604,861,440.84/291,999.20
  6. Step 6: Final answer
    x = 231,524.13

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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.