Home / 212,271.68-318,297.60-62,492.48

Finding the Fourth Proportional to 212,271.68, 318,297.60 and 62,492.48

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Solution

The fourth proportional to 212,271.68, 318,297.60 and 62,492.48 is: 93,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,271.68 : 318,297.60 = 62,492.48 : x
  2. Step 2: Convert to fraction form
    212,271.68/318,297.60 = 62,492.48/x
  3. Step 3: Cross multiply
    212,271.68x = 318,297.60 × 62,492.48
  4. Step 4: Simplify right side
    212,271.68x = 19,891,206,402.05
  5. Step 5: Solve for x
    x = 19,891,206,402.05/212,271.68
  6. Step 6: Final answer
    x = 93,706.36

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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.