Home / 260,155.25-390,223.95-110,299.04

Finding the Fourth Proportional to 260,155.25, 390,223.95 and 110,299.04

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Solution

The fourth proportional to 260,155.25, 390,223.95 and 110,299.04 is: 165,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,155.25 : 390,223.95 = 110,299.04 : x
  2. Step 2: Convert to fraction form
    260,155.25/390,223.95 = 110,299.04/x
  3. Step 3: Cross multiply
    260,155.25x = 390,223.95 × 110,299.04
  4. Step 4: Simplify right side
    260,155.25x = 43,041,325,118.89
  5. Step 5: Solve for x
    x = 43,041,325,118.89/260,155.25
  6. Step 6: Final answer
    x = 165,444.77

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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.