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Finding the Fourth Proportional to 366,989.51, 550,476.96 and 208,879.13

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Solution

The fourth proportional to 366,989.51, 550,476.96 and 208,879.13 is: 313,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.51 : 550,476.96 = 208,879.13 : x
  2. Step 2: Convert to fraction form
    366,989.51/550,476.96 = 208,879.13/x
  3. Step 3: Cross multiply
    366,989.51x = 550,476.96 × 208,879.13
  4. Step 4: Simplify right side
    366,989.51x = 114,983,145,737.46
  5. Step 5: Solve for x
    x = 114,983,145,737.46/366,989.51
  6. Step 6: Final answer
    x = 313,314.53

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1.5x scale

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.