Home / 288,989.10-433,376.07-99,396.24

Finding the Fourth Proportional to 288,989.10, 433,376.07 and 99,396.24

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Solution

The fourth proportional to 288,989.10, 433,376.07 and 99,396.24 is: 149,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,989.10 : 433,376.07 = 99,396.24 : x
  2. Step 2: Convert to fraction form
    288,989.10/433,376.07 = 99,396.24/x
  3. Step 3: Cross multiply
    288,989.10x = 433,376.07 × 99,396.24
  4. Step 4: Simplify right side
    288,989.10x = 43,075,951,863.98
  5. Step 5: Solve for x
    x = 43,075,951,863.98/288,989.10
  6. Step 6: Final answer
    x = 149,057.36

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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.