Home / 259,434.60-357,965.16-157,513.62

Finding the Fourth Proportional to 259,434.60, 357,965.16 and 157,513.62

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Solution

The fourth proportional to 259,434.60, 357,965.16 and 157,513.62 is: 217,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,434.60 : 357,965.16 = 157,513.62 : x
  2. Step 2: Convert to fraction form
    259,434.60/357,965.16 = 157,513.62/x
  3. Step 3: Cross multiply
    259,434.60x = 357,965.16 × 157,513.62
  4. Step 4: Simplify right side
    259,434.60x = 56,384,388,185.48
  5. Step 5: Solve for x
    x = 56,384,388,185.48/259,434.60
  6. Step 6: Final answer
    x = 217,335.65

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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.