Home / 291,271.08-402,077.97-195,833.10

Finding the Fourth Proportional to 291,271.08, 402,077.97 and 195,833.10

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Solution

The fourth proportional to 291,271.08, 402,077.97 and 195,833.10 is: 270,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,271.08 : 402,077.97 = 195,833.10 : x
  2. Step 2: Convert to fraction form
    291,271.08/402,077.97 = 195,833.10/x
  3. Step 3: Cross multiply
    291,271.08x = 402,077.97 × 195,833.10
  4. Step 4: Simplify right side
    291,271.08x = 78,740,175,306.81
  5. Step 5: Solve for x
    x = 78,740,175,306.81/291,271.08
  6. Step 6: Final answer
    x = 270,332.97

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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.