Home / 291,281.08-402,091.77-195,843.10

Finding the Fourth Proportional to 291,281.08, 402,091.77 and 195,843.10

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Solution

The fourth proportional to 291,281.08, 402,091.77 and 195,843.10 is: 270,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,281.08 : 402,091.77 = 195,843.10 : x
  2. Step 2: Convert to fraction form
    291,281.08/402,091.77 = 195,843.10/x
  3. Step 3: Cross multiply
    291,281.08x = 402,091.77 × 195,843.10
  4. Step 4: Simplify right side
    291,281.08x = 78,746,898,721.29
  5. Step 5: Solve for x
    x = 78,746,898,721.29/291,281.08
  6. Step 6: Final answer
    x = 270,346.77

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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.