Home / 374,072.64-561,247.20-137,569.92

Finding the Fourth Proportional to 374,072.64, 561,247.20 and 137,569.92

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Solution

The fourth proportional to 374,072.64, 561,247.20 and 137,569.92 is: 206,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,072.64 : 561,247.20 = 137,569.92 : x
  2. Step 2: Convert to fraction form
    374,072.64/561,247.20 = 137,569.92/x
  3. Step 3: Cross multiply
    374,072.64x = 561,247.20 × 137,569.92
  4. Step 4: Simplify right side
    374,072.64x = 77,210,732,404.22
  5. Step 5: Solve for x
    x = 77,210,732,404.22/374,072.64
  6. Step 6: Final answer
    x = 206,405.72

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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.