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Finding the Fourth Proportional to 300,292.84, 450,564.80 and 131,726.16

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Solution

The fourth proportional to 300,292.84, 450,564.80 and 131,726.16 is: 197,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,292.84 : 450,564.80 = 131,726.16 : x
  2. Step 2: Convert to fraction form
    300,292.84/450,564.80 = 131,726.16/x
  3. Step 3: Cross multiply
    300,292.84x = 450,564.80 × 131,726.16
  4. Step 4: Simplify right side
    300,292.84x = 59,351,170,935.17
  5. Step 5: Solve for x
    x = 59,351,170,935.17/300,292.84
  6. Step 6: Final answer
    x = 197,644.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.