Home / 379,648.79-524,047.27-218,568.04

Finding the Fourth Proportional to 379,648.79, 524,047.27 and 218,568.04

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Solution

The fourth proportional to 379,648.79, 524,047.27 and 218,568.04 is: 301,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,648.79 : 524,047.27 = 218,568.04 : x
  2. Step 2: Convert to fraction form
    379,648.79/524,047.27 = 218,568.04/x
  3. Step 3: Cross multiply
    379,648.79x = 524,047.27 × 218,568.04
  4. Step 4: Simplify right side
    379,648.79x = 114,539,982,814.71
  5. Step 5: Solve for x
    x = 114,539,982,814.71/379,648.79
  6. Step 6: Final answer
    x = 301,699.85

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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.