Home / 291,629.52-402,448.70-157,493.52

Finding the Fourth Proportional to 291,629.52, 402,448.70 and 157,493.52

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Solution

The fourth proportional to 291,629.52, 402,448.70 and 157,493.52 is: 217,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,629.52 : 402,448.70 = 157,493.52 : x
  2. Step 2: Convert to fraction form
    291,629.52/402,448.70 = 157,493.52/x
  3. Step 3: Cross multiply
    291,629.52x = 402,448.70 × 157,493.52
  4. Step 4: Simplify right side
    291,629.52x = 63,383,062,382.42
  5. Step 5: Solve for x
    x = 63,383,062,382.42/291,629.52
  6. Step 6: Final answer
    x = 217,341.04

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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.