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Finding the Fourth Proportional to 520,152.18, 780,453.63 and 183,433.41

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Solution

The fourth proportional to 520,152.18, 780,453.63 and 183,433.41 is: 275,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,152.18 : 780,453.63 = 183,433.41 : x
  2. Step 2: Convert to fraction form
    520,152.18/780,453.63 = 183,433.41/x
  3. Step 3: Cross multiply
    520,152.18x = 780,453.63 × 183,433.41
  4. Step 4: Simplify right side
    520,152.18x = 143,161,270,697.78
  5. Step 5: Solve for x
    x = 143,161,270,697.78/520,152.18
  6. Step 6: Final answer
    x = 275,229.59

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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.