Home / 292,631.66-403,864.48-165,315.46

Finding the Fourth Proportional to 292,631.66, 403,864.48 and 165,315.46

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Solution

The fourth proportional to 292,631.66, 403,864.48 and 165,315.46 is: 228,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,631.66 : 403,864.48 = 165,315.46 : x
  2. Step 2: Convert to fraction form
    292,631.66/403,864.48 = 165,315.46/x
  3. Step 3: Cross multiply
    292,631.66x = 403,864.48 × 165,315.46
  4. Step 4: Simplify right side
    292,631.66x = 66,765,042,288.86
  5. Step 5: Solve for x
    x = 66,765,042,288.86/292,631.66
  6. Step 6: Final answer
    x = 228,153.86

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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.