Home / 369,190.78-553,418.28-156,012.38

Finding the Fourth Proportional to 369,190.78, 553,418.28 and 156,012.38

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Solution

The fourth proportional to 369,190.78, 553,418.28 and 156,012.38 is: 233,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,190.78 : 553,418.28 = 156,012.38 : x
  2. Step 2: Convert to fraction form
    369,190.78/553,418.28 = 156,012.38/x
  3. Step 3: Cross multiply
    369,190.78x = 553,418.28 × 156,012.38
  4. Step 4: Simplify right side
    369,190.78x = 86,340,102,998.31
  5. Step 5: Solve for x
    x = 86,340,102,998.31/369,190.78
  6. Step 6: Final answer
    x = 233,863.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.