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Finding the Fourth Proportional to 520,233.42, 780,353.36 and 160,399.42

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Solution

The fourth proportional to 520,233.42, 780,353.36 and 160,399.42 is: 240,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,233.42 : 780,353.36 = 160,399.42 : x
  2. Step 2: Convert to fraction form
    520,233.42/780,353.36 = 160,399.42/x
  3. Step 3: Cross multiply
    520,233.42x = 780,353.36 × 160,399.42
  4. Step 4: Simplify right side
    520,233.42x = 125,168,226,339.05
  5. Step 5: Solve for x
    x = 125,168,226,339.05/520,233.42
  6. Step 6: Final answer
    x = 240,600.13

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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.