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Finding the Fourth Proportional to 294,040.95, 441,008.73 and 77,901.18

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Solution

The fourth proportional to 294,040.95, 441,008.73 and 77,901.18 is: 116,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,040.95 : 441,008.73 = 77,901.18 : x
  2. Step 2: Convert to fraction form
    294,040.95/441,008.73 = 77,901.18/x
  3. Step 3: Cross multiply
    294,040.95x = 441,008.73 × 77,901.18
  4. Step 4: Simplify right side
    294,040.95x = 34,355,100,457.30
  5. Step 5: Solve for x
    x = 34,355,100,457.30/294,040.95
  6. Step 6: Final answer
    x = 116,837.81

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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.