Home / 419,212.02-578,494.44-228,226.08

Finding the Fourth Proportional to 419,212.02, 578,494.44 and 228,226.08

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Solution

The fourth proportional to 419,212.02, 578,494.44 and 228,226.08 is: 314,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,212.02 : 578,494.44 = 228,226.08 : x
  2. Step 2: Convert to fraction form
    419,212.02/578,494.44 = 228,226.08/x
  3. Step 3: Cross multiply
    419,212.02x = 578,494.44 × 228,226.08
  4. Step 4: Simplify right side
    419,212.02x = 132,027,518,343.00
  5. Step 5: Solve for x
    x = 132,027,518,343.00/419,212.02
  6. Step 6: Final answer
    x = 314,942.11

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1.5x scale

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.