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Finding the Fourth Proportional to 207,017.94, 310,130.97 and 173,498.42

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Solution

The fourth proportional to 207,017.94, 310,130.97 and 173,498.42 is: 259,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,017.94 : 310,130.97 = 173,498.42 : x
  2. Step 2: Convert to fraction form
    207,017.94/310,130.97 = 173,498.42/x
  3. Step 3: Cross multiply
    207,017.94x = 310,130.97 × 173,498.42
  4. Step 4: Simplify right side
    207,017.94x = 53,807,231,737.41
  5. Step 5: Solve for x
    x = 53,807,231,737.41/207,017.94
  6. Step 6: Final answer
    x = 259,915.79

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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.