Home / 290,042.46-400,256.91-162,717.75

Finding the Fourth Proportional to 290,042.46, 400,256.91 and 162,717.75

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Solution

The fourth proportional to 290,042.46, 400,256.91 and 162,717.75 is: 224,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,042.46 : 400,256.91 = 162,717.75 : x
  2. Step 2: Convert to fraction form
    290,042.46/400,256.91 = 162,717.75/x
  3. Step 3: Cross multiply
    290,042.46x = 400,256.91 × 162,717.75
  4. Step 4: Simplify right side
    290,042.46x = 65,128,903,817.15
  5. Step 5: Solve for x
    x = 65,128,903,817.15/290,042.46
  6. Step 6: Final answer
    x = 224,549.55

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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.