Home / 228,306.60-315,136.26-160,340.04

Finding the Fourth Proportional to 228,306.60, 315,136.26 and 160,340.04

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Solution

The fourth proportional to 228,306.60, 315,136.26 and 160,340.04 is: 221,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,306.60 : 315,136.26 = 160,340.04 : x
  2. Step 2: Convert to fraction form
    228,306.60/315,136.26 = 160,340.04/x
  3. Step 3: Cross multiply
    228,306.60x = 315,136.26 × 160,340.04
  4. Step 4: Simplify right side
    228,306.60x = 50,528,960,533.85
  5. Step 5: Solve for x
    x = 50,528,960,533.85/228,306.60
  6. Step 6: Final answer
    x = 221,320.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.