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Finding the Fourth Proportional to 354,595.23, 489,522.02 and 273,841.47

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Solution

The fourth proportional to 354,595.23, 489,522.02 and 273,841.47 is: 378,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,595.23 : 489,522.02 = 273,841.47 : x
  2. Step 2: Convert to fraction form
    354,595.23/489,522.02 = 273,841.47/x
  3. Step 3: Cross multiply
    354,595.23x = 489,522.02 × 273,841.47
  4. Step 4: Simplify right side
    354,595.23x = 134,051,428,184.96
  5. Step 5: Solve for x
    x = 134,051,428,184.96/354,595.23
  6. Step 6: Final answer
    x = 378,040.70

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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.