Home / 291,320.23-402,029.37-164,000.29

Finding the Fourth Proportional to 291,320.23, 402,029.37 and 164,000.29

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Solution

The fourth proportional to 291,320.23, 402,029.37 and 164,000.29 is: 226,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,320.23 : 402,029.37 = 164,000.29 : x
  2. Step 2: Convert to fraction form
    291,320.23/402,029.37 = 164,000.29/x
  3. Step 3: Cross multiply
    291,320.23x = 402,029.37 × 164,000.29
  4. Step 4: Simplify right side
    291,320.23x = 65,932,933,268.52
  5. Step 5: Solve for x
    x = 65,932,933,268.52/291,320.23
  6. Step 6: Final answer
    x = 226,324.60

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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.