Home / 206,727.45-310,072.95-56,954.40

Finding the Fourth Proportional to 206,727.45, 310,072.95 and 56,954.40

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Solution

The fourth proportional to 206,727.45, 310,072.95 and 56,954.40 is: 85,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,727.45 : 310,072.95 = 56,954.40 : x
  2. Step 2: Convert to fraction form
    206,727.45/310,072.95 = 56,954.40/x
  3. Step 3: Cross multiply
    206,727.45x = 310,072.95 × 56,954.40
  4. Step 4: Simplify right side
    206,727.45x = 17,660,018,823.48
  5. Step 5: Solve for x
    x = 17,660,018,823.48/206,727.45
  6. Step 6: Final answer
    x = 85,426.58

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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.