Home / 260,048.10-390,072.15-235,164.90

Finding the Fourth Proportional to 260,048.10, 390,072.15 and 235,164.90

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Solution

The fourth proportional to 260,048.10, 390,072.15 and 235,164.90 is: 352,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,048.10 : 390,072.15 = 235,164.90 : x
  2. Step 2: Convert to fraction form
    260,048.10/390,072.15 = 235,164.90/x
  3. Step 3: Cross multiply
    260,048.10x = 390,072.15 × 235,164.90
  4. Step 4: Simplify right side
    260,048.10x = 91,731,278,147.54
  5. Step 5: Solve for x
    x = 91,731,278,147.54/260,048.10
  6. Step 6: Final answer
    x = 352,747.35

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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.