Home / 291,708.24-402,557.37-157,572.24

Finding the Fourth Proportional to 291,708.24, 402,557.37 and 157,572.24

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Solution

The fourth proportional to 291,708.24, 402,557.37 and 157,572.24 is: 217,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,708.24 : 402,557.37 = 157,572.24 : x
  2. Step 2: Convert to fraction form
    291,708.24/402,557.37 = 157,572.24/x
  3. Step 3: Cross multiply
    291,708.24x = 402,557.37 × 157,572.24
  4. Step 4: Simplify right side
    291,708.24x = 63,431,866,519.41
  5. Step 5: Solve for x
    x = 63,431,866,519.41/291,708.24
  6. Step 6: Final answer
    x = 217,449.69

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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.