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Finding the Fourth Proportional to 446,633.05, 616,284.22 and 265,340.32

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Solution

The fourth proportional to 446,633.05, 616,284.22 and 265,340.32 is: 366,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,633.05 : 616,284.22 = 265,340.32 : x
  2. Step 2: Convert to fraction form
    446,633.05/616,284.22 = 265,340.32/x
  3. Step 3: Cross multiply
    446,633.05x = 616,284.22 × 265,340.32
  4. Step 4: Simplify right side
    446,633.05x = 163,525,049,064.33
  5. Step 5: Solve for x
    x = 163,525,049,064.33/446,633.05
  6. Step 6: Final answer
    x = 366,128.42

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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.