Home / 288,674.07-432,896.28-111,082.38

Finding the Fourth Proportional to 288,674.07, 432,896.28 and 111,082.38

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Solution

The fourth proportional to 288,674.07, 432,896.28 and 111,082.38 is: 166,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,674.07 : 432,896.28 = 111,082.38 : x
  2. Step 2: Convert to fraction form
    288,674.07/432,896.28 = 111,082.38/x
  3. Step 3: Cross multiply
    288,674.07x = 432,896.28 × 111,082.38
  4. Step 4: Simplify right side
    288,674.07x = 48,087,149,075.55
  5. Step 5: Solve for x
    x = 48,087,149,075.55/288,674.07
  6. Step 6: Final answer
    x = 166,579.39

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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.