Home / 330,829.99-456,545.37-187,590

Finding the Fourth Proportional to 330,829.99, 456,545.37 and 187,590

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Solution

The fourth proportional to 330,829.99, 456,545.37 and 187,590 is: 258,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,829.99 : 456,545.37 = 187,590 : x
  2. Step 2: Convert to fraction form
    330,829.99/456,545.37 = 187,590/x
  3. Step 3: Cross multiply
    330,829.99x = 456,545.37 × 187,590
  4. Step 4: Simplify right side
    330,829.99x = 85,643,345,958.30
  5. Step 5: Solve for x
    x = 85,643,345,958.30/330,829.99
  6. Step 6: Final answer
    x = 258,874.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.