Home / 239,582.45-330,280.08-188,507.09

Finding the Fourth Proportional to 239,582.45, 330,280.08 and 188,507.09

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Solution

The fourth proportional to 239,582.45, 330,280.08 and 188,507.09 is: 259,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,582.45 : 330,280.08 = 188,507.09 : x
  2. Step 2: Convert to fraction form
    239,582.45/330,280.08 = 188,507.09/x
  3. Step 3: Cross multiply
    239,582.45x = 330,280.08 × 188,507.09
  4. Step 4: Simplify right side
    239,582.45x = 62,260,136,765.77
  5. Step 5: Solve for x
    x = 62,260,136,765.77/239,582.45
  6. Step 6: Final answer
    x = 259,869.36

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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.