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Finding the Fourth Proportional to 303,810.41, 455,287.77 and 232,456.79

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Solution

The fourth proportional to 303,810.41, 455,287.77 and 232,456.79 is: 348,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,810.41 : 455,287.77 = 232,456.79 : x
  2. Step 2: Convert to fraction form
    303,810.41/455,287.77 = 232,456.79/x
  3. Step 3: Cross multiply
    303,810.41x = 455,287.77 × 232,456.79
  4. Step 4: Simplify right side
    303,810.41x = 105,834,731,264.02
  5. Step 5: Solve for x
    x = 105,834,731,264.02/303,810.41
  6. Step 6: Final answer
    x = 348,357.82

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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.