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Finding the Fourth Proportional to 343,671.07, 515,883.72 and 273,047.68

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Solution

The fourth proportional to 343,671.07, 515,883.72 and 273,047.68 is: 409,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,671.07 : 515,883.72 = 273,047.68 : x
  2. Step 2: Convert to fraction form
    343,671.07/515,883.72 = 273,047.68/x
  3. Step 3: Cross multiply
    343,671.07x = 515,883.72 × 273,047.68
  4. Step 4: Simplify right side
    343,671.07x = 140,860,852,895.77
  5. Step 5: Solve for x
    x = 140,860,852,895.77/343,671.07
  6. Step 6: Final answer
    x = 409,871.14

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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.