Home / 200,821.17-276,916.81-152,512.16

Finding the Fourth Proportional to 200,821.17, 276,916.81 and 152,512.16

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Solution

The fourth proportional to 200,821.17, 276,916.81 and 152,512.16 is: 210,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,821.17 : 276,916.81 = 152,512.16 : x
  2. Step 2: Convert to fraction form
    200,821.17/276,916.81 = 152,512.16/x
  3. Step 3: Cross multiply
    200,821.17x = 276,916.81 × 152,512.16
  4. Step 4: Simplify right side
    200,821.17x = 42,233,180,070.85
  5. Step 5: Solve for x
    x = 42,233,180,070.85/200,821.17
  6. Step 6: Final answer
    x = 210,302.43

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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.