Home / 212,629.40-318,944.10-62,856.35

Finding the Fourth Proportional to 212,629.40, 318,944.10 and 62,856.35

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Solution

The fourth proportional to 212,629.40, 318,944.10 and 62,856.35 is: 94,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,629.40 : 318,944.10 = 62,856.35 : x
  2. Step 2: Convert to fraction form
    212,629.40/318,944.10 = 62,856.35/x
  3. Step 3: Cross multiply
    212,629.40x = 318,944.10 × 62,856.35
  4. Step 4: Simplify right side
    212,629.40x = 20,047,661,980.04
  5. Step 5: Solve for x
    x = 20,047,661,980.04/212,629.40
  6. Step 6: Final answer
    x = 94,284.53

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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.