Home / 260,152.50-390,219.82-110,296.29

Finding the Fourth Proportional to 260,152.50, 390,219.82 and 110,296.29

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Solution

The fourth proportional to 260,152.50, 390,219.82 and 110,296.29 is: 165,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,152.50 : 390,219.82 = 110,296.29 : x
  2. Step 2: Convert to fraction form
    260,152.50/390,219.82 = 110,296.29/x
  3. Step 3: Cross multiply
    260,152.50x = 390,219.82 × 110,296.29
  4. Step 4: Simplify right side
    260,152.50x = 43,039,798,430.47
  5. Step 5: Solve for x
    x = 43,039,798,430.47/260,152.50
  6. Step 6: Final answer
    x = 165,440.65

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1.5x scale

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.