Home / 340,500.28-469,890.12-187,539.52

Finding the Fourth Proportional to 340,500.28, 469,890.12 and 187,539.52

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Solution

The fourth proportional to 340,500.28, 469,890.12 and 187,539.52 is: 258,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,500.28 : 469,890.12 = 187,539.52 : x
  2. Step 2: Convert to fraction form
    340,500.28/469,890.12 = 187,539.52/x
  3. Step 3: Cross multiply
    340,500.28x = 469,890.12 × 187,539.52
  4. Step 4: Simplify right side
    340,500.28x = 88,122,967,557.54
  5. Step 5: Solve for x
    x = 88,122,967,557.54/340,500.28
  6. Step 6: Final answer
    x = 258,804.39

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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.