Home / 306,182.05-459,350.70-216,401.41

Finding the Fourth Proportional to 306,182.05, 459,350.70 and 216,401.41

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Solution

The fourth proportional to 306,182.05, 459,350.70 and 216,401.41 is: 324,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,182.05 : 459,350.70 = 216,401.41 : x
  2. Step 2: Convert to fraction form
    306,182.05/459,350.70 = 216,401.41/x
  3. Step 3: Cross multiply
    306,182.05x = 459,350.70 × 216,401.41
  4. Step 4: Simplify right side
    306,182.05x = 99,404,139,164.49
  5. Step 5: Solve for x
    x = 99,404,139,164.49/306,182.05
  6. Step 6: Final answer
    x = 324,656.98

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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.