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Finding the Fourth Proportional to 339,384.94, 509,069.51 and 170,859.98

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Solution

The fourth proportional to 339,384.94, 509,069.51 and 170,859.98 is: 256,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,384.94 : 509,069.51 = 170,859.98 : x
  2. Step 2: Convert to fraction form
    339,384.94/509,069.51 = 170,859.98/x
  3. Step 3: Cross multiply
    339,384.94x = 509,069.51 × 170,859.98
  4. Step 4: Simplify right side
    339,384.94x = 86,979,607,356.31
  5. Step 5: Solve for x
    x = 86,979,607,356.31/339,384.94
  6. Step 6: Final answer
    x = 256,286.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.