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Finding the Fourth Proportional to 637,342.13, 956,039.58 and 188,063

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Solution

The fourth proportional to 637,342.13, 956,039.58 and 188,063 is: 282,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,342.13 : 956,039.58 = 188,063 : x
  2. Step 2: Convert to fraction form
    637,342.13/956,039.58 = 188,063/x
  3. Step 3: Cross multiply
    637,342.13x = 956,039.58 × 188,063
  4. Step 4: Simplify right side
    637,342.13x = 179,795,671,533.54
  5. Step 5: Solve for x
    x = 179,795,671,533.54/637,342.13
  6. Step 6: Final answer
    x = 282,102.29

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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.