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Finding the Fourth Proportional to 366,901.65, 550,352.48 and 307,852.65

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Solution

The fourth proportional to 366,901.65, 550,352.48 and 307,852.65 is: 461,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,901.65 : 550,352.48 = 307,852.65 : x
  2. Step 2: Convert to fraction form
    366,901.65/550,352.48 = 307,852.65/x
  3. Step 3: Cross multiply
    366,901.65x = 550,352.48 × 307,852.65
  4. Step 4: Simplify right side
    366,901.65x = 169,427,467,862.81
  5. Step 5: Solve for x
    x = 169,427,467,862.81/366,901.65
  6. Step 6: Final answer
    x = 461,778.98

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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.