Home / 289,384.20-433,493.10-164,579.40

Finding the Fourth Proportional to 289,384.20, 433,493.10 and 164,579.40

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Solution

The fourth proportional to 289,384.20, 433,493.10 and 164,579.40 is: 246,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,384.20 : 433,493.10 = 164,579.40 : x
  2. Step 2: Convert to fraction form
    289,384.20/433,493.10 = 164,579.40/x
  3. Step 3: Cross multiply
    289,384.20x = 433,493.10 × 164,579.40
  4. Step 4: Simplify right side
    289,384.20x = 71,344,034,302.14
  5. Step 5: Solve for x
    x = 71,344,034,302.14/289,384.20
  6. Step 6: Final answer
    x = 246,537.42

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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.