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Finding the Fourth Proportional to 286,351.29, 395,165.70 and 159,026.88

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Solution

The fourth proportional to 286,351.29, 395,165.70 and 159,026.88 is: 219,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,351.29 : 395,165.70 = 159,026.88 : x
  2. Step 2: Convert to fraction form
    286,351.29/395,165.70 = 159,026.88/x
  3. Step 3: Cross multiply
    286,351.29x = 395,165.70 × 159,026.88
  4. Step 4: Simplify right side
    286,351.29x = 62,841,968,354.02
  5. Step 5: Solve for x
    x = 62,841,968,354.02/286,351.29
  6. Step 6: Final answer
    x = 219,457.61

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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.