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Finding the Fourth Proportional to 446,801.79, 616,590.60 and 242,853.15

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Solution

The fourth proportional to 446,801.79, 616,590.60 and 242,853.15 is: 335,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,801.79 : 616,590.60 = 242,853.15 : x
  2. Step 2: Convert to fraction form
    446,801.79/616,590.60 = 242,853.15/x
  3. Step 3: Cross multiply
    446,801.79x = 616,590.60 × 242,853.15
  4. Step 4: Simplify right side
    446,801.79x = 149,740,969,470.39
  5. Step 5: Solve for x
    x = 149,740,969,470.39/446,801.79
  6. Step 6: Final answer
    x = 335,139.59

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1.5x scale

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.