Home / 557,149-836,055.58-202,190.76

Finding the Fourth Proportional to 557,149, 836,055.58 and 202,190.76

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Solution

The fourth proportional to 557,149, 836,055.58 and 202,190.76 is: 303,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,149 : 836,055.58 = 202,190.76 : x
  2. Step 2: Convert to fraction form
    557,149/836,055.58 = 202,190.76/x
  3. Step 3: Cross multiply
    557,149x = 836,055.58 × 202,190.76
  4. Step 4: Simplify right side
    557,149x = 169,042,713,122.44
  5. Step 5: Solve for x
    x = 169,042,713,122.44/557,149
  6. Step 6: Final answer
    x = 303,406.65

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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.