Home / 380,225.91-524,828.57-219,188.61

Finding the Fourth Proportional to 380,225.91, 524,828.57 and 219,188.61

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Solution

The fourth proportional to 380,225.91, 524,828.57 and 219,188.61 is: 302,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,225.91 : 524,828.57 = 219,188.61 : x
  2. Step 2: Convert to fraction form
    380,225.91/524,828.57 = 219,188.61/x
  3. Step 3: Cross multiply
    380,225.91x = 524,828.57 × 219,188.61
  4. Step 4: Simplify right side
    380,225.91x = 115,036,443,650.65
  5. Step 5: Solve for x
    x = 115,036,443,650.65/380,225.91
  6. Step 6: Final answer
    x = 302,547.62

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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.