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Finding the Fourth Proportional to 450,953.93, 622,316.69 and 247,008.27

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Solution

The fourth proportional to 450,953.93, 622,316.69 and 247,008.27 is: 340,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,953.93 : 622,316.69 = 247,008.27 : x
  2. Step 2: Convert to fraction form
    450,953.93/622,316.69 = 247,008.27/x
  3. Step 3: Cross multiply
    450,953.93x = 622,316.69 × 247,008.27
  4. Step 4: Simplify right side
    450,953.93x = 153,717,371,013.95
  5. Step 5: Solve for x
    x = 153,717,371,013.95/450,953.93
  6. Step 6: Final answer
    x = 340,871.56

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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.