Home / 452,438.79-678,741.62-148,850.04

Finding the Fourth Proportional to 452,438.79, 678,741.62 and 148,850.04

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Solution

The fourth proportional to 452,438.79, 678,741.62 and 148,850.04 is: 223,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,438.79 : 678,741.62 = 148,850.04 : x
  2. Step 2: Convert to fraction form
    452,438.79/678,741.62 = 148,850.04/x
  3. Step 3: Cross multiply
    452,438.79x = 678,741.62 × 148,850.04
  4. Step 4: Simplify right side
    452,438.79x = 101,030,717,286.67
  5. Step 5: Solve for x
    x = 101,030,717,286.67/452,438.79
  6. Step 6: Final answer
    x = 223,302.51

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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.