Home / 205,192.88-307,897.65-145,606.41

Finding the Fourth Proportional to 205,192.88, 307,897.65 and 145,606.41

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Solution

The fourth proportional to 205,192.88, 307,897.65 and 145,606.41 is: 218,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,192.88 : 307,897.65 = 145,606.41 : x
  2. Step 2: Convert to fraction form
    205,192.88/307,897.65 = 145,606.41/x
  3. Step 3: Cross multiply
    205,192.88x = 307,897.65 × 145,606.41
  4. Step 4: Simplify right side
    205,192.88x = 44,831,871,463.94
  5. Step 5: Solve for x
    x = 44,831,871,463.94/205,192.88
  6. Step 6: Final answer
    x = 218,486.49

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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.