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Finding the Fourth Proportional to 294,018.60, 440,574.30 and 218,785.80

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Solution

The fourth proportional to 294,018.60, 440,574.30 and 218,785.80 is: 327,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,018.60 : 440,574.30 = 218,785.80 : x
  2. Step 2: Convert to fraction form
    294,018.60/440,574.30 = 218,785.80/x
  3. Step 3: Cross multiply
    294,018.60x = 440,574.30 × 218,785.80
  4. Step 4: Simplify right side
    294,018.60x = 96,391,400,684.94
  5. Step 5: Solve for x
    x = 96,391,400,684.94/294,018.60
  6. Step 6: Final answer
    x = 327,841.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.