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Finding the Fourth Proportional to 374,833.04, 517,218.60 and 223,898

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Solution

The fourth proportional to 374,833.04, 517,218.60 and 223,898 is: 308,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,833.04 : 517,218.60 = 223,898 : x
  2. Step 2: Convert to fraction form
    374,833.04/517,218.60 = 223,898/x
  3. Step 3: Cross multiply
    374,833.04x = 517,218.60 × 223,898
  4. Step 4: Simplify right side
    374,833.04x = 115,804,210,102.80
  5. Step 5: Solve for x
    x = 115,804,210,102.80/374,833.04
  6. Step 6: Final answer
    x = 308,948.78

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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.