Home / 402,932.60-556,035.86-219,165.08

Finding the Fourth Proportional to 402,932.60, 556,035.86 and 219,165.08

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Solution

The fourth proportional to 402,932.60, 556,035.86 and 219,165.08 is: 302,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,932.60 : 556,035.86 = 219,165.08 : x
  2. Step 2: Convert to fraction form
    402,932.60/556,035.86 = 219,165.08/x
  3. Step 3: Cross multiply
    402,932.60x = 556,035.86 × 219,165.08
  4. Step 4: Simplify right side
    402,932.60x = 121,863,643,739.77
  5. Step 5: Solve for x
    x = 121,863,643,739.77/402,932.60
  6. Step 6: Final answer
    x = 302,441.76

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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.