Home / 456,166.20-684,314.10-140,590.20

Finding the Fourth Proportional to 456,166.20, 684,314.10 and 140,590.20

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Solution

The fourth proportional to 456,166.20, 684,314.10 and 140,590.20 is: 210,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,166.20 : 684,314.10 = 140,590.20 : x
  2. Step 2: Convert to fraction form
    456,166.20/684,314.10 = 140,590.20/x
  3. Step 3: Cross multiply
    456,166.20x = 684,314.10 × 140,590.20
  4. Step 4: Simplify right side
    456,166.20x = 96,207,856,181.82
  5. Step 5: Solve for x
    x = 96,207,856,181.82/456,166.20
  6. Step 6: Final answer
    x = 210,905.27

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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.