Home / 260,514.27-390,068.76-170,333.31

Finding the Fourth Proportional to 260,514.27, 390,068.76 and 170,333.31

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Solution

The fourth proportional to 260,514.27, 390,068.76 and 170,333.31 is: 255,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,514.27 : 390,068.76 = 170,333.31 : x
  2. Step 2: Convert to fraction form
    260,514.27/390,068.76 = 170,333.31/x
  3. Step 3: Cross multiply
    260,514.27x = 390,068.76 × 170,333.31
  4. Step 4: Simplify right side
    260,514.27x = 66,441,703,018.40
  5. Step 5: Solve for x
    x = 66,441,703,018.40/260,514.27
  6. Step 6: Final answer
    x = 255,040.55

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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.