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Finding the Fourth Proportional to 446,565.60, 616,267.52 and 242,620.56

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Solution

The fourth proportional to 446,565.60, 616,267.52 and 242,620.56 is: 334,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,565.60 : 616,267.52 = 242,620.56 : x
  2. Step 2: Convert to fraction form
    446,565.60/616,267.52 = 242,620.56/x
  3. Step 3: Cross multiply
    446,565.60x = 616,267.52 × 242,620.56
  4. Step 4: Simplify right side
    446,565.60x = 149,519,166,517.77
  5. Step 5: Solve for x
    x = 149,519,166,517.77/446,565.60
  6. Step 6: Final answer
    x = 334,820.17

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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.