Home / 212,708.02-319,037.28-54,924.04

Finding the Fourth Proportional to 212,708.02, 319,037.28 and 54,924.04

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Solution

The fourth proportional to 212,708.02, 319,037.28 and 54,924.04 is: 82,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,708.02 : 319,037.28 = 54,924.04 : x
  2. Step 2: Convert to fraction form
    212,708.02/319,037.28 = 54,924.04/x
  3. Step 3: Cross multiply
    212,708.02x = 319,037.28 × 54,924.04
  4. Step 4: Simplify right side
    212,708.02x = 17,522,816,328.21
  5. Step 5: Solve for x
    x = 17,522,816,328.21/212,708.02
  6. Step 6: Final answer
    x = 82,379.67

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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.