Home / 254,300.11-350,929.13-143,916.71

Finding the Fourth Proportional to 254,300.11, 350,929.13 and 143,916.71

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Solution

The fourth proportional to 254,300.11, 350,929.13 and 143,916.71 is: 198,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,300.11 : 350,929.13 = 143,916.71 : x
  2. Step 2: Convert to fraction form
    254,300.11/350,929.13 = 143,916.71/x
  3. Step 3: Cross multiply
    254,300.11x = 350,929.13 × 143,916.71
  4. Step 4: Simplify right side
    254,300.11x = 50,504,564,707.75
  5. Step 5: Solve for x
    x = 50,504,564,707.75/254,300.11
  6. Step 6: Final answer
    x = 198,602.22

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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.