Home / 239,477.04-330,135.01-188,401.20

Finding the Fourth Proportional to 239,477.04, 330,135.01 and 188,401.20

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Solution

The fourth proportional to 239,477.04, 330,135.01 and 188,401.20 is: 259,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,477.04 : 330,135.01 = 188,401.20 : x
  2. Step 2: Convert to fraction form
    239,477.04/330,135.01 = 188,401.20/x
  3. Step 3: Cross multiply
    239,477.04x = 330,135.01 × 188,401.20
  4. Step 4: Simplify right side
    239,477.04x = 62,197,830,337.00
  5. Step 5: Solve for x
    x = 62,197,830,337.00/239,477.04
  6. Step 6: Final answer
    x = 259,723.56

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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.