Home / 843,160.50-1,264,647.60-212,074.56

Finding the Fourth Proportional to 843,160.50, 1,264,647.60 and 212,074.56

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Solution

The fourth proportional to 843,160.50, 1,264,647.60 and 212,074.56 is: 318,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,160.50 : 1,264,647.60 = 212,074.56 : x
  2. Step 2: Convert to fraction form
    843,160.50/1,264,647.60 = 212,074.56/x
  3. Step 3: Cross multiply
    843,160.50x = 1,264,647.60 × 212,074.56
  4. Step 4: Simplify right side
    843,160.50x = 268,199,583,325.06
  5. Step 5: Solve for x
    x = 268,199,583,325.06/843,160.50
  6. Step 6: Final answer
    x = 318,088.41

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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.