Home / 212,389.02-318,543.03-62,636.22

Finding the Fourth Proportional to 212,389.02, 318,543.03 and 62,636.22

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Solution

The fourth proportional to 212,389.02, 318,543.03 and 62,636.22 is: 93,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,389.02 : 318,543.03 = 62,636.22 : x
  2. Step 2: Convert to fraction form
    212,389.02/318,543.03 = 62,636.22/x
  3. Step 3: Cross multiply
    212,389.02x = 318,543.03 × 62,636.22
  4. Step 4: Simplify right side
    212,389.02x = 19,952,331,306.55
  5. Step 5: Solve for x
    x = 19,952,331,306.55/212,389.02
  6. Step 6: Final answer
    x = 93,942.39

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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.