Home / 320,800.12-481,366.10-232,779.32

Finding the Fourth Proportional to 320,800.12, 481,366.10 and 232,779.32

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Solution

The fourth proportional to 320,800.12, 481,366.10 and 232,779.32 is: 349,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,800.12 : 481,366.10 = 232,779.32 : x
  2. Step 2: Convert to fraction form
    320,800.12/481,366.10 = 232,779.32/x
  3. Step 3: Cross multiply
    320,800.12x = 481,366.10 × 232,779.32
  4. Step 4: Simplify right side
    320,800.12x = 112,052,073,429.05
  5. Step 5: Solve for x
    x = 112,052,073,429.05/320,800.12
  6. Step 6: Final answer
    x = 349,289.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.