Home / 282,226.28-423,413.19-163,783.76

Finding the Fourth Proportional to 282,226.28, 423,413.19 and 163,783.76

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Solution

The fourth proportional to 282,226.28, 423,413.19 and 163,783.76 is: 245,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,226.28 : 423,413.19 = 163,783.76 : x
  2. Step 2: Convert to fraction form
    282,226.28/423,413.19 = 163,783.76/x
  3. Step 3: Cross multiply
    282,226.28x = 423,413.19 × 163,783.76
  4. Step 4: Simplify right side
    282,226.28x = 69,348,202,174.73
  5. Step 5: Solve for x
    x = 69,348,202,174.73/282,226.28
  6. Step 6: Final answer
    x = 245,718.45

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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.