Home / 303,943.73-455,848.40-87,755.49

Finding the Fourth Proportional to 303,943.73, 455,848.40 and 87,755.49

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Solution

The fourth proportional to 303,943.73, 455,848.40 and 87,755.49 is: 131,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,943.73 : 455,848.40 = 87,755.49 : x
  2. Step 2: Convert to fraction form
    303,943.73/455,848.40 = 87,755.49/x
  3. Step 3: Cross multiply
    303,943.73x = 455,848.40 × 87,755.49
  4. Step 4: Simplify right side
    303,943.73x = 40,003,199,927.10
  5. Step 5: Solve for x
    x = 40,003,199,927.10/303,943.73
  6. Step 6: Final answer
    x = 131,613.84

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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.