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Finding the Fourth Proportional to 404,043, 606,152 and 154,725

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Solution

The fourth proportional to 404,043, 606,152 and 154,725 is: 232,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,043 : 606,152 = 154,725 : x
  2. Step 2: Convert to fraction form
    404,043/606,152 = 154,725/x
  3. Step 3: Cross multiply
    404,043x = 606,152 × 154,725
  4. Step 4: Simplify right side
    404,043x = 93,786,868,200
  5. Step 5: Solve for x
    x = 93,786,868,200/404,043
  6. Step 6: Final answer
    x = 232,121.01

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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.