Home / 268,427.76-370,416.06-147,545.78

Finding the Fourth Proportional to 268,427.76, 370,416.06 and 147,545.78

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Solution

The fourth proportional to 268,427.76, 370,416.06 and 147,545.78 is: 203,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,427.76 : 370,416.06 = 147,545.78 : x
  2. Step 2: Convert to fraction form
    268,427.76/370,416.06 = 147,545.78/x
  3. Step 3: Cross multiply
    268,427.76x = 370,416.06 × 147,545.78
  4. Step 4: Simplify right side
    268,427.76x = 54,653,326,497.23
  5. Step 5: Solve for x
    x = 54,653,326,497.23/268,427.76
  6. Step 6: Final answer
    x = 203,605.34

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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.