Home / 309,822.48-427,587.80-173,893.14

Finding the Fourth Proportional to 309,822.48, 427,587.80 and 173,893.14

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Solution

The fourth proportional to 309,822.48, 427,587.80 and 173,893.14 is: 239,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,822.48 : 427,587.80 = 173,893.14 : x
  2. Step 2: Convert to fraction form
    309,822.48/427,587.80 = 173,893.14/x
  3. Step 3: Cross multiply
    309,822.48x = 427,587.80 × 173,893.14
  4. Step 4: Simplify right side
    309,822.48x = 74,354,584,298.23
  5. Step 5: Solve for x
    x = 74,354,584,298.23/309,822.48
  6. Step 6: Final answer
    x = 239,990.93

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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.