Home / 289,175.09-433,782.90-89,469.18

Finding the Fourth Proportional to 289,175.09, 433,782.90 and 89,469.18

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Solution

The fourth proportional to 289,175.09, 433,782.90 and 89,469.18 is: 134,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,175.09 : 433,782.90 = 89,469.18 : x
  2. Step 2: Convert to fraction form
    289,175.09/433,782.90 = 89,469.18/x
  3. Step 3: Cross multiply
    289,175.09x = 433,782.90 × 89,469.18
  4. Step 4: Simplify right side
    289,175.09x = 38,810,200,361.02
  5. Step 5: Solve for x
    x = 38,810,200,361.02/289,175.09
  6. Step 6: Final answer
    x = 134,210.04

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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.