Home / 628,046.14-942,051.65-201,578.61

Finding the Fourth Proportional to 628,046.14, 942,051.65 and 201,578.61

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Solution

The fourth proportional to 628,046.14, 942,051.65 and 201,578.61 is: 302,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,046.14 : 942,051.65 = 201,578.61 : x
  2. Step 2: Convert to fraction form
    628,046.14/942,051.65 = 201,578.61/x
  3. Step 3: Cross multiply
    628,046.14x = 942,051.65 × 201,578.61
  4. Step 4: Simplify right side
    628,046.14x = 189,897,462,155.21
  5. Step 5: Solve for x
    x = 189,897,462,155.21/628,046.14
  6. Step 6: Final answer
    x = 302,362.28

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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.