Home / 379,908.38-524,302.02-216,568.79

Finding the Fourth Proportional to 379,908.38, 524,302.02 and 216,568.79

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Solution

The fourth proportional to 379,908.38, 524,302.02 and 216,568.79 is: 298,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,908.38 : 524,302.02 = 216,568.79 : x
  2. Step 2: Convert to fraction form
    379,908.38/524,302.02 = 216,568.79/x
  3. Step 3: Cross multiply
    379,908.38x = 524,302.02 × 216,568.79
  4. Step 4: Simplify right side
    379,908.38x = 113,547,451,444.45
  5. Step 5: Solve for x
    x = 113,547,451,444.45/379,908.38
  6. Step 6: Final answer
    x = 298,881.14

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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.