Home / 212,208.24-318,304.74-54,438.24

Finding the Fourth Proportional to 212,208.24, 318,304.74 and 54,438.24

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Solution

The fourth proportional to 212,208.24, 318,304.74 and 54,438.24 is: 81,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,208.24 : 318,304.74 = 54,438.24 : x
  2. Step 2: Convert to fraction form
    212,208.24/318,304.74 = 54,438.24/x
  3. Step 3: Cross multiply
    212,208.24x = 318,304.74 × 54,438.24
  4. Step 4: Simplify right side
    212,208.24x = 17,327,949,829.26
  5. Step 5: Solve for x
    x = 17,327,949,829.26/212,208.24
  6. Step 6: Final answer
    x = 81,655.41

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1.5x scale

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.