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Finding the Fourth Proportional to 300,010.40, 450,146.64 and 131,567.12

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Solution

The fourth proportional to 300,010.40, 450,146.64 and 131,567.12 is: 197,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,010.40 : 450,146.64 = 131,567.12 : x
  2. Step 2: Convert to fraction form
    300,010.40/450,146.64 = 131,567.12/x
  3. Step 3: Cross multiply
    300,010.40x = 450,146.64 × 131,567.12
  4. Step 4: Simplify right side
    300,010.40x = 59,224,497,002.48
  5. Step 5: Solve for x
    x = 59,224,497,002.48/300,010.40
  6. Step 6: Final answer
    x = 197,408.15

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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.