Home / 374,170.11-561,476.59-137,678.86

Finding the Fourth Proportional to 374,170.11, 561,476.59 and 137,678.86

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Solution

The fourth proportional to 374,170.11, 561,476.59 and 137,678.86 is: 206,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,170.11 : 561,476.59 = 137,678.86 : x
  2. Step 2: Convert to fraction form
    374,170.11/561,476.59 = 137,678.86/x
  3. Step 3: Cross multiply
    374,170.11x = 561,476.59 × 137,678.86
  4. Step 4: Simplify right side
    374,170.11x = 77,303,456,827.89
  5. Step 5: Solve for x
    x = 77,303,456,827.89/374,170.11
  6. Step 6: Final answer
    x = 206,599.77

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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.