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Finding the Fourth Proportional to 446,447.79, 616,102.91 and 262,726.96

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Solution

The fourth proportional to 446,447.79, 616,102.91 and 262,726.96 is: 362,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,447.79 : 616,102.91 = 262,726.96 : x
  2. Step 2: Convert to fraction form
    446,447.79/616,102.91 = 262,726.96/x
  3. Step 3: Cross multiply
    446,447.79x = 616,102.91 × 262,726.96
  4. Step 4: Simplify right side
    446,447.79x = 161,866,844,591.45
  5. Step 5: Solve for x
    x = 161,866,844,591.45/446,447.79
  6. Step 6: Final answer
    x = 362,566.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.