Home / 276,899.02-382,120.84-149,574.68

Finding the Fourth Proportional to 276,899.02, 382,120.84 and 149,574.68

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Solution

The fourth proportional to 276,899.02, 382,120.84 and 149,574.68 is: 206,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,899.02 : 382,120.84 = 149,574.68 : x
  2. Step 2: Convert to fraction form
    276,899.02/382,120.84 = 149,574.68/x
  3. Step 3: Cross multiply
    276,899.02x = 382,120.84 × 149,574.68
  4. Step 4: Simplify right side
    276,899.02x = 57,155,602,364.33
  5. Step 5: Solve for x
    x = 57,155,602,364.33/276,899.02
  6. Step 6: Final answer
    x = 206,413.16

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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.