Home / 285,502.24-427,881.30-159,137.38

Finding the Fourth Proportional to 285,502.24, 427,881.30 and 159,137.38

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Solution

The fourth proportional to 285,502.24, 427,881.30 and 159,137.38 is: 238,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,502.24 : 427,881.30 = 159,137.38 : x
  2. Step 2: Convert to fraction form
    285,502.24/427,881.30 = 159,137.38/x
  3. Step 3: Cross multiply
    285,502.24x = 427,881.30 × 159,137.38
  4. Step 4: Simplify right side
    285,502.24x = 68,091,909,032.99
  5. Step 5: Solve for x
    x = 68,091,909,032.99/285,502.24
  6. Step 6: Final answer
    x = 238,498.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.