Home / 380,145.04-524,596.16-205,711.43

Finding the Fourth Proportional to 380,145.04, 524,596.16 and 205,711.43

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Solution

The fourth proportional to 380,145.04, 524,596.16 and 205,711.43 is: 283,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,145.04 : 524,596.16 = 205,711.43 : x
  2. Step 2: Convert to fraction form
    380,145.04/524,596.16 = 205,711.43/x
  3. Step 3: Cross multiply
    380,145.04x = 524,596.16 × 205,711.43
  4. Step 4: Simplify right side
    380,145.04x = 107,915,426,246.11
  5. Step 5: Solve for x
    x = 107,915,426,246.11/380,145.04
  6. Step 6: Final answer
    x = 283,879.61

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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.