Home / 291,462.60-402,219.86-164,140.36

Finding the Fourth Proportional to 291,462.60, 402,219.86 and 164,140.36

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Solution

The fourth proportional to 291,462.60, 402,219.86 and 164,140.36 is: 226,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,462.60 : 402,219.86 = 164,140.36 : x
  2. Step 2: Convert to fraction form
    291,462.60/402,219.86 = 164,140.36/x
  3. Step 3: Cross multiply
    291,462.60x = 402,219.86 × 164,140.36
  4. Step 4: Simplify right side
    291,462.60x = 66,020,512,619.55
  5. Step 5: Solve for x
    x = 66,020,512,619.55/291,462.60
  6. Step 6: Final answer
    x = 226,514.53

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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.