Home / 419,200.04-578,477.88-228,214.08

Finding the Fourth Proportional to 419,200.04, 578,477.88 and 228,214.08

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Solution

The fourth proportional to 419,200.04, 578,477.88 and 228,214.08 is: 314,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,200.04 : 578,477.88 = 228,214.08 : x
  2. Step 2: Convert to fraction form
    419,200.04/578,477.88 = 228,214.08/x
  3. Step 3: Cross multiply
    419,200.04x = 578,477.88 × 228,214.08
  4. Step 4: Simplify right side
    419,200.04x = 132,016,797,184.55
  5. Step 5: Solve for x
    x = 132,016,797,184.55/419,200.04
  6. Step 6: Final answer
    x = 314,925.54

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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.