Home / 419,215.02-578,498.58-228,229.08

Finding the Fourth Proportional to 419,215.02, 578,498.58 and 228,229.08

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Solution

The fourth proportional to 419,215.02, 578,498.58 and 228,229.08 is: 314,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,215.02 : 578,498.58 = 228,229.08 : x
  2. Step 2: Convert to fraction form
    419,215.02/578,498.58 = 228,229.08/x
  3. Step 3: Cross multiply
    419,215.02x = 578,498.58 × 228,229.08
  4. Step 4: Simplify right side
    419,215.02x = 132,030,198,694.71
  5. Step 5: Solve for x
    x = 132,030,198,694.71/419,215.02
  6. Step 6: Final answer
    x = 314,946.25

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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.