Home / 291,534.76-402,319.38-164,212.36

Finding the Fourth Proportional to 291,534.76, 402,319.38 and 164,212.36

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Solution

The fourth proportional to 291,534.76, 402,319.38 and 164,212.36 is: 226,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,534.76 : 402,319.38 = 164,212.36 : x
  2. Step 2: Convert to fraction form
    291,534.76/402,319.38 = 164,212.36/x
  3. Step 3: Cross multiply
    291,534.76x = 402,319.38 × 164,212.36
  4. Step 4: Simplify right side
    291,534.76x = 66,065,814,863.54
  5. Step 5: Solve for x
    x = 66,065,814,863.54/291,534.76
  6. Step 6: Final answer
    x = 226,613.85

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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.