Home / 239,834.78-330,999.99-199,477.34

Finding the Fourth Proportional to 239,834.78, 330,999.99 and 199,477.34

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Solution

The fourth proportional to 239,834.78, 330,999.99 and 199,477.34 is: 275,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,834.78 : 330,999.99 = 199,477.34 : x
  2. Step 2: Convert to fraction form
    239,834.78/330,999.99 = 199,477.34/x
  3. Step 3: Cross multiply
    239,834.78x = 330,999.99 × 199,477.34
  4. Step 4: Simplify right side
    239,834.78x = 66,026,997,545.23
  5. Step 5: Solve for x
    x = 66,026,997,545.23/239,834.78
  6. Step 6: Final answer
    x = 275,302.01

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1.5x scale

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.