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Finding the Fourth Proportional to 446,425.11, 616,071.13 and 242,480.00

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Solution

The fourth proportional to 446,425.11, 616,071.13 and 242,480.00 is: 334,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,425.11 : 616,071.13 = 242,480.00 : x
  2. Step 2: Convert to fraction form
    446,425.11/616,071.13 = 242,480.00/x
  3. Step 3: Cross multiply
    446,425.11x = 616,071.13 × 242,480.00
  4. Step 4: Simplify right side
    446,425.11x = 149,384,928,536.38
  5. Step 5: Solve for x
    x = 149,384,928,536.38/446,425.11
  6. Step 6: Final answer
    x = 334,624.83

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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.