Home / 259,436.10-357,967.23-157,515.12

Finding the Fourth Proportional to 259,436.10, 357,967.23 and 157,515.12

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Solution

The fourth proportional to 259,436.10, 357,967.23 and 157,515.12 is: 217,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,436.10 : 357,967.23 = 157,515.12 : x
  2. Step 2: Convert to fraction form
    259,436.10/357,967.23 = 157,515.12/x
  3. Step 3: Cross multiply
    259,436.10x = 357,967.23 × 157,515.12
  4. Step 4: Simplify right side
    259,436.10x = 56,385,251,189.52
  5. Step 5: Solve for x
    x = 56,385,251,189.52/259,436.10
  6. Step 6: Final answer
    x = 217,337.72

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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.