Home / 212,209.24-318,306.24-54,439.24

Finding the Fourth Proportional to 212,209.24, 318,306.24 and 54,439.24

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Solution

The fourth proportional to 212,209.24, 318,306.24 and 54,439.24 is: 81,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,209.24 : 318,306.24 = 54,439.24 : x
  2. Step 2: Convert to fraction form
    212,209.24/318,306.24 = 54,439.24/x
  3. Step 3: Cross multiply
    212,209.24x = 318,306.24 × 54,439.24
  4. Step 4: Simplify right side
    212,209.24x = 17,328,349,792.86
  5. Step 5: Solve for x
    x = 17,328,349,792.86/212,209.24
  6. Step 6: Final answer
    x = 81,656.91

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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.