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Finding the Fourth Proportional to 436,518.54, 602,478.36 and 273,250.98

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Solution

The fourth proportional to 436,518.54, 602,478.36 and 273,250.98 is: 377,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,518.54 : 602,478.36 = 273,250.98 : x
  2. Step 2: Convert to fraction form
    436,518.54/602,478.36 = 273,250.98/x
  3. Step 3: Cross multiply
    436,518.54x = 602,478.36 × 273,250.98
  4. Step 4: Simplify right side
    436,518.54x = 164,627,802,298.79
  5. Step 5: Solve for x
    x = 164,627,802,298.79/436,518.54
  6. Step 6: Final answer
    x = 377,138.17

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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.