Home / 578,028.49-867,125.79-178,700.40

Finding the Fourth Proportional to 578,028.49, 867,125.79 and 178,700.40

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Solution

The fourth proportional to 578,028.49, 867,125.79 and 178,700.40 is: 268,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,028.49 : 867,125.79 = 178,700.40 : x
  2. Step 2: Convert to fraction form
    578,028.49/867,125.79 = 178,700.40/x
  3. Step 3: Cross multiply
    578,028.49x = 867,125.79 × 178,700.40
  4. Step 4: Simplify right side
    578,028.49x = 154,955,723,228.72
  5. Step 5: Solve for x
    x = 154,955,723,228.72/578,028.49
  6. Step 6: Final answer
    x = 268,076.28

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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.