Home / 290,026.56-400,239.38-162,704.89

Finding the Fourth Proportional to 290,026.56, 400,239.38 and 162,704.89

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Solution

The fourth proportional to 290,026.56, 400,239.38 and 162,704.89 is: 224,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026.56 : 400,239.38 = 162,704.89 : x
  2. Step 2: Convert to fraction form
    290,026.56/400,239.38 = 162,704.89/x
  3. Step 3: Cross multiply
    290,026.56x = 400,239.38 × 162,704.89
  4. Step 4: Simplify right side
    290,026.56x = 65,120,902,702.13
  5. Step 5: Solve for x
    x = 65,120,902,702.13/290,026.56
  6. Step 6: Final answer
    x = 224,534.27

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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.