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Finding the Fourth Proportional to 446,148.44, 615,619.91 and 255,124.93

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Solution

The fourth proportional to 446,148.44, 615,619.91 and 255,124.93 is: 352,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,148.44 : 615,619.91 = 255,124.93 : x
  2. Step 2: Convert to fraction form
    446,148.44/615,619.91 = 255,124.93/x
  3. Step 3: Cross multiply
    446,148.44x = 615,619.91 × 255,124.93
  4. Step 4: Simplify right side
    446,148.44x = 157,059,982,091.63
  5. Step 5: Solve for x
    x = 157,059,982,091.63/446,148.44
  6. Step 6: Final answer
    x = 352,035.26

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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.