Home / 260,582.13-390,364.14-179,514.86

Finding the Fourth Proportional to 260,582.13, 390,364.14 and 179,514.86

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Solution

The fourth proportional to 260,582.13, 390,364.14 and 179,514.86 is: 268,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,582.13 : 390,364.14 = 179,514.86 : x
  2. Step 2: Convert to fraction form
    260,582.13/390,364.14 = 179,514.86/x
  3. Step 3: Cross multiply
    260,582.13x = 390,364.14 × 179,514.86
  4. Step 4: Simplify right side
    260,582.13x = 70,076,161,989.30
  5. Step 5: Solve for x
    x = 70,076,161,989.30/260,582.13
  6. Step 6: Final answer
    x = 268,921.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.