Home / 290,961.68-401,466.90-170,079.57

Finding the Fourth Proportional to 290,961.68, 401,466.90 and 170,079.57

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Solution

The fourth proportional to 290,961.68, 401,466.90 and 170,079.57 is: 234,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,961.68 : 401,466.90 = 170,079.57 : x
  2. Step 2: Convert to fraction form
    290,961.68/401,466.90 = 170,079.57/x
  3. Step 3: Cross multiply
    290,961.68x = 401,466.90 × 170,079.57
  4. Step 4: Simplify right side
    290,961.68x = 68,281,317,721.23
  5. Step 5: Solve for x
    x = 68,281,317,721.23/290,961.68
  6. Step 6: Final answer
    x = 234,674.61

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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.