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Finding the Fourth Proportional to 451,088.37, 622,501.61 and 247,152.02

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Solution

The fourth proportional to 451,088.37, 622,501.61 and 247,152.02 is: 341,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,088.37 : 622,501.61 = 247,152.02 : x
  2. Step 2: Convert to fraction form
    451,088.37/622,501.61 = 247,152.02/x
  3. Step 3: Cross multiply
    451,088.37x = 622,501.61 × 247,152.02
  4. Step 4: Simplify right side
    451,088.37x = 153,852,526,016.48
  5. Step 5: Solve for x
    x = 153,852,526,016.48/451,088.37
  6. Step 6: Final answer
    x = 341,069.59

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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.