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Finding the Fourth Proportional to 450,294.21, 675,674.13 and 197,752.20

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Solution

The fourth proportional to 450,294.21, 675,674.13 and 197,752.20 is: 296,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,294.21 : 675,674.13 = 197,752.20 : x
  2. Step 2: Convert to fraction form
    450,294.21/675,674.13 = 197,752.20/x
  3. Step 3: Cross multiply
    450,294.21x = 675,674.13 × 197,752.20
  4. Step 4: Simplify right side
    450,294.21x = 133,616,045,690.59
  5. Step 5: Solve for x
    x = 133,616,045,690.59/450,294.21
  6. Step 6: Final answer
    x = 296,730.54

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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.