Home / 290,026.18-400,238.86-162,704.51

Finding the Fourth Proportional to 290,026.18, 400,238.86 and 162,704.51

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Solution

The fourth proportional to 290,026.18, 400,238.86 and 162,704.51 is: 224,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026.18 : 400,238.86 = 162,704.51 : x
  2. Step 2: Convert to fraction form
    290,026.18/400,238.86 = 162,704.51/x
  3. Step 3: Cross multiply
    290,026.18x = 400,238.86 × 162,704.51
  4. Step 4: Simplify right side
    290,026.18x = 65,120,668,209.40
  5. Step 5: Solve for x
    x = 65,120,668,209.40/290,026.18
  6. Step 6: Final answer
    x = 224,533.76

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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.