Home / 212,452.83-318,569.40-62,674.02

Finding the Fourth Proportional to 212,452.83, 318,569.40 and 62,674.02

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Solution

The fourth proportional to 212,452.83, 318,569.40 and 62,674.02 is: 93,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,452.83 : 318,569.40 = 62,674.02 : x
  2. Step 2: Convert to fraction form
    212,452.83/318,569.40 = 62,674.02/x
  3. Step 3: Cross multiply
    212,452.83x = 318,569.40 × 62,674.02
  4. Step 4: Simplify right side
    212,452.83x = 19,966,024,946.99
  5. Step 5: Solve for x
    x = 19,966,024,946.99/212,452.83
  6. Step 6: Final answer
    x = 93,978.63

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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.