Home / 419,205.04-578,513.32-228,228.92

Finding the Fourth Proportional to 419,205.04, 578,513.32 and 228,228.92

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Solution

The fourth proportional to 419,205.04, 578,513.32 and 228,228.92 is: 314,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,205.04 : 578,513.32 = 228,228.92 : x
  2. Step 2: Convert to fraction form
    419,205.04/578,513.32 = 228,228.92/x
  3. Step 3: Cross multiply
    419,205.04x = 578,513.32 × 228,228.92
  4. Step 4: Simplify right side
    419,205.04x = 132,033,470,229.21
  5. Step 5: Solve for x
    x = 132,033,470,229.21/419,205.04
  6. Step 6: Final answer
    x = 314,961.55

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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.