Home / 340,237.32-469,523.78-187,272.23

Finding the Fourth Proportional to 340,237.32, 469,523.78 and 187,272.23

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Solution

The fourth proportional to 340,237.32, 469,523.78 and 187,272.23 is: 258,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,237.32 : 469,523.78 = 187,272.23 : x
  2. Step 2: Convert to fraction form
    340,237.32/469,523.78 = 187,272.23/x
  3. Step 3: Cross multiply
    340,237.32x = 469,523.78 × 187,272.23
  4. Step 4: Simplify right side
    340,237.32x = 87,928,765,318.63
  5. Step 5: Solve for x
    x = 87,928,765,318.63/340,237.32
  6. Step 6: Final answer
    x = 258,433.63

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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.