Home / 259,271.10-357,959.28-211,637.70

Finding the Fourth Proportional to 259,271.10, 357,959.28 and 211,637.70

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Solution

The fourth proportional to 259,271.10, 357,959.28 and 211,637.70 is: 292,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,271.10 : 357,959.28 = 211,637.70 : x
  2. Step 2: Convert to fraction form
    259,271.10/357,959.28 = 211,637.70/x
  3. Step 3: Cross multiply
    259,271.10x = 357,959.28 × 211,637.70
  4. Step 4: Simplify right side
    259,271.10x = 75,757,678,712.86
  5. Step 5: Solve for x
    x = 75,757,678,712.86/259,271.10
  6. Step 6: Final answer
    x = 292,194.84

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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.