Home / 380,555.52-525,221.76-229,674.24

Finding the Fourth Proportional to 380,555.52, 525,221.76 and 229,674.24

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Solution

The fourth proportional to 380,555.52, 525,221.76 and 229,674.24 is: 316,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,555.52 : 525,221.76 = 229,674.24 : x
  2. Step 2: Convert to fraction form
    380,555.52/525,221.76 = 229,674.24/x
  3. Step 3: Cross multiply
    380,555.52x = 525,221.76 × 229,674.24
  4. Step 4: Simplify right side
    380,555.52x = 120,629,908,559.46
  5. Step 5: Solve for x
    x = 120,629,908,559.46/380,555.52
  6. Step 6: Final answer
    x = 316,983.73

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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.