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Finding the Fourth Proportional to 286,289.56, 395,073.48 and 158,962.96

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Solution

The fourth proportional to 286,289.56, 395,073.48 and 158,962.96 is: 219,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,289.56 : 395,073.48 = 158,962.96 : x
  2. Step 2: Convert to fraction form
    286,289.56/395,073.48 = 158,962.96/x
  3. Step 3: Cross multiply
    286,289.56x = 395,073.48 × 158,962.96
  4. Step 4: Simplify right side
    286,289.56x = 62,802,049,798.30
  5. Step 5: Solve for x
    x = 62,802,049,798.30/286,289.56
  6. Step 6: Final answer
    x = 219,365.49

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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.