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Finding the Fourth Proportional to 450,897.55, 622,238.83 and 246,961.29

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Solution

The fourth proportional to 450,897.55, 622,238.83 and 246,961.29 is: 340,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,897.55 : 622,238.83 = 246,961.29 : x
  2. Step 2: Convert to fraction form
    450,897.55/622,238.83 = 246,961.29/x
  3. Step 3: Cross multiply
    450,897.55x = 622,238.83 × 246,961.29
  4. Step 4: Simplify right side
    450,897.55x = 153,668,907,272.59
  5. Step 5: Solve for x
    x = 153,668,907,272.59/450,897.55
  6. Step 6: Final answer
    x = 340,806.70

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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.