Home / 557,142.68-836,119.84-202,185.30

Finding the Fourth Proportional to 557,142.68, 836,119.84 and 202,185.30

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Solution

The fourth proportional to 557,142.68, 836,119.84 and 202,185.30 is: 303,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,142.68 : 836,119.84 = 202,185.30 : x
  2. Step 2: Convert to fraction form
    557,142.68/836,119.84 = 202,185.30/x
  3. Step 3: Cross multiply
    557,142.68x = 836,119.84 × 202,185.30
  4. Step 4: Simplify right side
    557,142.68x = 169,051,140,686.35
  5. Step 5: Solve for x
    x = 169,051,140,686.35/557,142.68
  6. Step 6: Final answer
    x = 303,425.22

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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.