Home / 216,311.04-298,170.24-198,931.52

Finding the Fourth Proportional to 216,311.04, 298,170.24 and 198,931.52

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Solution

The fourth proportional to 216,311.04, 298,170.24 and 198,931.52 is: 274,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,311.04 : 298,170.24 = 198,931.52 : x
  2. Step 2: Convert to fraction form
    216,311.04/298,170.24 = 198,931.52/x
  3. Step 3: Cross multiply
    216,311.04x = 298,170.24 × 198,931.52
  4. Step 4: Simplify right side
    216,311.04x = 59,315,459,061.96
  5. Step 5: Solve for x
    x = 59,315,459,061.96/216,311.04
  6. Step 6: Final answer
    x = 274,213.74

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1.5x scale

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.