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Finding the Fourth Proportional to 374,009.00, 561,029.99 and 137,222.51

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Solution

The fourth proportional to 374,009.00, 561,029.99 and 137,222.51 is: 205,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,009.00 : 561,029.99 = 137,222.51 : x
  2. Step 2: Convert to fraction form
    374,009.00/561,029.99 = 137,222.51/x
  3. Step 3: Cross multiply
    374,009.00x = 561,029.99 × 137,222.51
  4. Step 4: Simplify right side
    374,009.00x = 76,985,939,921.81
  5. Step 5: Solve for x
    x = 76,985,939,921.81/374,009.00
  6. Step 6: Final answer
    x = 205,839.81

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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.