Home / 309,962.26-427,637.91-202,594.29

Finding the Fourth Proportional to 309,962.26, 427,637.91 and 202,594.29

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Solution

The fourth proportional to 309,962.26, 427,637.91 and 202,594.29 is: 279,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,962.26 : 427,637.91 = 202,594.29 : x
  2. Step 2: Convert to fraction form
    309,962.26/427,637.91 = 202,594.29/x
  3. Step 3: Cross multiply
    309,962.26x = 427,637.91 × 202,594.29
  4. Step 4: Simplify right side
    309,962.26x = 86,636,996,615.34
  5. Step 5: Solve for x
    x = 86,636,996,615.34/309,962.26
  6. Step 6: Final answer
    x = 279,508.21

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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.