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Finding the Fourth Proportional to 473,453.88, 653,279.61 and 269,492.91

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Solution

The fourth proportional to 473,453.88, 653,279.61 and 269,492.91 is: 371,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,453.88 : 653,279.61 = 269,492.91 : x
  2. Step 2: Convert to fraction form
    473,453.88/653,279.61 = 269,492.91/x
  3. Step 3: Cross multiply
    473,453.88x = 653,279.61 × 269,492.91
  4. Step 4: Simplify right side
    473,453.88x = 176,054,223,142.57
  5. Step 5: Solve for x
    x = 176,054,223,142.57/473,453.88
  6. Step 6: Final answer
    x = 371,850.84

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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.