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Finding the Fourth Proportional to 520,160.68, 780,466.38 and 183,441.94

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Solution

The fourth proportional to 520,160.68, 780,466.38 and 183,441.94 is: 275,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,160.68 : 780,466.38 = 183,441.94 : x
  2. Step 2: Convert to fraction form
    520,160.68/780,466.38 = 183,441.94/x
  3. Step 3: Cross multiply
    520,160.68x = 780,466.38 × 183,441.94
  4. Step 4: Simplify right side
    520,160.68x = 143,170,266,851.98
  5. Step 5: Solve for x
    x = 143,170,266,851.98/520,160.68
  6. Step 6: Final answer
    x = 275,242.39

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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.