Home / 380,154.80-524,561.72-227,160.66

Finding the Fourth Proportional to 380,154.80, 524,561.72 and 227,160.66

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Solution

The fourth proportional to 380,154.80, 524,561.72 and 227,160.66 is: 313,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,154.80 : 524,561.72 = 227,160.66 : x
  2. Step 2: Convert to fraction form
    380,154.80/524,561.72 = 227,160.66/x
  3. Step 3: Cross multiply
    380,154.80x = 524,561.72 × 227,160.66
  4. Step 4: Simplify right side
    380,154.80x = 119,159,786,525.94
  5. Step 5: Solve for x
    x = 119,159,786,525.94/380,154.80
  6. Step 6: Final answer
    x = 313,450.70

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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.