Home / 351,403.77-526,553.71-271,637.19

Finding the Fourth Proportional to 351,403.77, 526,553.71 and 271,637.19

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Solution

The fourth proportional to 351,403.77, 526,553.71 and 271,637.19 is: 407,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,403.77 : 526,553.71 = 271,637.19 : x
  2. Step 2: Convert to fraction form
    351,403.77/526,553.71 = 271,637.19/x
  3. Step 3: Cross multiply
    351,403.77x = 526,553.71 × 271,637.19
  4. Step 4: Simplify right side
    351,403.77x = 143,031,570,168.48
  5. Step 5: Solve for x
    x = 143,031,570,168.48/351,403.77
  6. Step 6: Final answer
    x = 407,029.13

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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.