Home / 287,434.12-396,663.21-164,946.46

Finding the Fourth Proportional to 287,434.12, 396,663.21 and 164,946.46

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Solution

The fourth proportional to 287,434.12, 396,663.21 and 164,946.46 is: 227,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,434.12 : 396,663.21 = 164,946.46 : x
  2. Step 2: Convert to fraction form
    287,434.12/396,663.21 = 164,946.46/x
  3. Step 3: Cross multiply
    287,434.12x = 396,663.21 × 164,946.46
  4. Step 4: Simplify right side
    287,434.12x = 65,428,192,301.74
  5. Step 5: Solve for x
    x = 65,428,192,301.74/287,434.12
  6. Step 6: Final answer
    x = 227,628.48

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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.