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Finding the Fourth Proportional to 286,737.37, 395,682.37 and 157,673.39

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Solution

The fourth proportional to 286,737.37, 395,682.37 and 157,673.39 is: 217,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,737.37 : 395,682.37 = 157,673.39 : x
  2. Step 2: Convert to fraction form
    286,737.37/395,682.37 = 157,673.39/x
  3. Step 3: Cross multiply
    286,737.37x = 395,682.37 × 157,673.39
  4. Step 4: Simplify right side
    286,737.37x = 62,388,578,268.54
  5. Step 5: Solve for x
    x = 62,388,578,268.54/286,737.37
  6. Step 6: Final answer
    x = 217,580.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.