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Finding the Fourth Proportional to 303,370.54, 454,686.90 and 214,649.62

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Solution

The fourth proportional to 303,370.54, 454,686.90 and 214,649.62 is: 321,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,370.54 : 454,686.90 = 214,649.62 : x
  2. Step 2: Convert to fraction form
    303,370.54/454,686.90 = 214,649.62/x
  3. Step 3: Cross multiply
    303,370.54x = 454,686.90 × 214,649.62
  4. Step 4: Simplify right side
    303,370.54x = 97,598,370,303.98
  5. Step 5: Solve for x
    x = 97,598,370,303.98/303,370.54
  6. Step 6: Final answer
    x = 321,713.41

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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.