Home / 216,136.40-324,569.10-180,561.20

Finding the Fourth Proportional to 216,136.40, 324,569.10 and 180,561.20

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Solution

The fourth proportional to 216,136.40, 324,569.10 and 180,561.20 is: 271,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,136.40 : 324,569.10 = 180,561.20 : x
  2. Step 2: Convert to fraction form
    216,136.40/324,569.10 = 180,561.20/x
  3. Step 3: Cross multiply
    216,136.40x = 324,569.10 × 180,561.20
  4. Step 4: Simplify right side
    216,136.40x = 58,604,586,178.92
  5. Step 5: Solve for x
    x = 58,604,586,178.92/216,136.40
  6. Step 6: Final answer
    x = 271,146.30

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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.