Home / 578,028.86-867,126.36-178,700.77

Finding the Fourth Proportional to 578,028.86, 867,126.36 and 178,700.77

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Solution

The fourth proportional to 578,028.86, 867,126.36 and 178,700.77 is: 268,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,028.86 : 867,126.36 = 178,700.77 : x
  2. Step 2: Convert to fraction form
    578,028.86/867,126.36 = 178,700.77/x
  3. Step 3: Cross multiply
    578,028.86x = 867,126.36 × 178,700.77
  4. Step 4: Simplify right side
    578,028.86x = 154,956,149,940.36
  5. Step 5: Solve for x
    x = 154,956,149,940.36/578,028.86
  6. Step 6: Final answer
    x = 268,076.84

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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.