Home / 289,299.17-433,977.30-99,734.60

Finding the Fourth Proportional to 289,299.17, 433,977.30 and 99,734.60

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Solution

The fourth proportional to 289,299.17, 433,977.30 and 99,734.60 is: 149,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,299.17 : 433,977.30 = 99,734.60 : x
  2. Step 2: Convert to fraction form
    289,299.17/433,977.30 = 99,734.60/x
  3. Step 3: Cross multiply
    289,299.17x = 433,977.30 × 99,734.60
  4. Step 4: Simplify right side
    289,299.17x = 43,282,553,509.52
  5. Step 5: Solve for x
    x = 43,282,553,509.52/289,299.17
  6. Step 6: Final answer
    x = 149,611.74

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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.