Home / 475,845.10-656,690.30-261,005.16

Finding the Fourth Proportional to 475,845.10, 656,690.30 and 261,005.16

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Solution

The fourth proportional to 475,845.10, 656,690.30 and 261,005.16 is: 360,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,845.10 : 656,690.30 = 261,005.16 : x
  2. Step 2: Convert to fraction form
    475,845.10/656,690.30 = 261,005.16/x
  3. Step 3: Cross multiply
    475,845.10x = 656,690.30 × 261,005.16
  4. Step 4: Simplify right side
    475,845.10x = 171,399,556,821.95
  5. Step 5: Solve for x
    x = 171,399,556,821.95/475,845.10
  6. Step 6: Final answer
    x = 360,200.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.