Home / 340,015.42-469,202.75-187,028.92

Finding the Fourth Proportional to 340,015.42, 469,202.75 and 187,028.92

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Solution

The fourth proportional to 340,015.42, 469,202.75 and 187,028.92 is: 258,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,015.42 : 469,202.75 = 187,028.92 : x
  2. Step 2: Convert to fraction form
    340,015.42/469,202.75 = 187,028.92/x
  3. Step 3: Cross multiply
    340,015.42x = 469,202.75 × 187,028.92
  4. Step 4: Simplify right side
    340,015.42x = 87,754,483,593.53
  5. Step 5: Solve for x
    x = 87,754,483,593.53/340,015.42
  6. Step 6: Final answer
    x = 258,089.72

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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.