Home / 361,946.06-499,498.91-218,678.42

Finding the Fourth Proportional to 361,946.06, 499,498.91 and 218,678.42

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Solution

The fourth proportional to 361,946.06, 499,498.91 and 218,678.42 is: 301,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,946.06 : 499,498.91 = 218,678.42 : x
  2. Step 2: Convert to fraction form
    361,946.06/499,498.91 = 218,678.42/x
  3. Step 3: Cross multiply
    361,946.06x = 499,498.91 × 218,678.42
  4. Step 4: Simplify right side
    361,946.06x = 109,229,628,839.64
  5. Step 5: Solve for x
    x = 109,229,628,839.64/361,946.06
  6. Step 6: Final answer
    x = 301,784.28

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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.