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Finding the Fourth Proportional to 450,908.75, 622,273.64 and 249,704.75

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Solution

The fourth proportional to 450,908.75, 622,273.64 and 249,704.75 is: 344,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,908.75 : 622,273.64 = 249,704.75 : x
  2. Step 2: Convert to fraction form
    450,908.75/622,273.64 = 249,704.75/x
  3. Step 3: Cross multiply
    450,908.75x = 622,273.64 × 249,704.75
  4. Step 4: Simplify right side
    450,908.75x = 155,384,683,707.79
  5. Step 5: Solve for x
    x = 155,384,683,707.79/450,908.75
  6. Step 6: Final answer
    x = 344,603.39

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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.