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Finding the Fourth Proportional to 473,121.07, 652,884.32 and 269,152.87

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Solution

The fourth proportional to 473,121.07, 652,884.32 and 269,152.87 is: 371,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,121.07 : 652,884.32 = 269,152.87 : x
  2. Step 2: Convert to fraction form
    473,121.07/652,884.32 = 269,152.87/x
  3. Step 3: Cross multiply
    473,121.07x = 652,884.32 × 269,152.87
  4. Step 4: Simplify right side
    473,121.07x = 175,725,687,546.67
  5. Step 5: Solve for x
    x = 175,725,687,546.67/473,121.07
  6. Step 6: Final answer
    x = 371,418.01

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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.