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Finding the Fourth Proportional to 446,856, 616,673.12 and 242,920.64

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Solution

The fourth proportional to 446,856, 616,673.12 and 242,920.64 is: 335,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,856 : 616,673.12 = 242,920.64 : x
  2. Step 2: Convert to fraction form
    446,856/616,673.12 = 242,920.64/x
  3. Step 3: Cross multiply
    446,856x = 616,673.12 × 242,920.64
  4. Step 4: Simplify right side
    446,856x = 149,802,628,981.20
  5. Step 5: Solve for x
    x = 149,802,628,981.20/446,856
  6. Step 6: Final answer
    x = 335,236.92

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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.