Home / 212,529.83-318,829.37-62,785.26

Finding the Fourth Proportional to 212,529.83, 318,829.37 and 62,785.26

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Solution

The fourth proportional to 212,529.83, 318,829.37 and 62,785.26 is: 94,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,529.83 : 318,829.37 = 62,785.26 : x
  2. Step 2: Convert to fraction form
    212,529.83/318,829.37 = 62,785.26/x
  3. Step 3: Cross multiply
    212,529.83x = 318,829.37 × 62,785.26
  4. Step 4: Simplify right side
    212,529.83x = 20,017,784,577.16
  5. Step 5: Solve for x
    x = 20,017,784,577.16/212,529.83
  6. Step 6: Final answer
    x = 94,188.12

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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.