Home / 353,267.41-487,258.35-217,122.61

Finding the Fourth Proportional to 353,267.41, 487,258.35 and 217,122.61

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Solution

The fourth proportional to 353,267.41, 487,258.35 and 217,122.61 is: 299,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.41 : 487,258.35 = 217,122.61 : x
  2. Step 2: Convert to fraction form
    353,267.41/487,258.35 = 217,122.61/x
  3. Step 3: Cross multiply
    353,267.41x = 487,258.35 × 217,122.61
  4. Step 4: Simplify right side
    353,267.41x = 105,794,804,696.29
  5. Step 5: Solve for x
    x = 105,794,804,696.29/353,267.41
  6. Step 6: Final answer
    x = 299,475.13

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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.