Home / 260,035.90-390,345.45-201,132.70

Finding the Fourth Proportional to 260,035.90, 390,345.45 and 201,132.70

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Solution

The fourth proportional to 260,035.90, 390,345.45 and 201,132.70 is: 301,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,035.90 : 390,345.45 = 201,132.70 : x
  2. Step 2: Convert to fraction form
    260,035.90/390,345.45 = 201,132.70/x
  3. Step 3: Cross multiply
    260,035.90x = 390,345.45 × 201,132.70
  4. Step 4: Simplify right side
    260,035.90x = 78,511,234,291.22
  5. Step 5: Solve for x
    x = 78,511,234,291.22/260,035.90
  6. Step 6: Final answer
    x = 301,924.60

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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.