Home / 348,985.86-481,477.81-228,197.85

Finding the Fourth Proportional to 348,985.86, 481,477.81 and 228,197.85

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Solution

The fourth proportional to 348,985.86, 481,477.81 and 228,197.85 is: 314,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,985.86 : 481,477.81 = 228,197.85 : x
  2. Step 2: Convert to fraction form
    348,985.86/481,477.81 = 228,197.85/x
  3. Step 3: Cross multiply
    348,985.86x = 481,477.81 × 228,197.85
  4. Step 4: Simplify right side
    348,985.86x = 109,872,201,064.71
  5. Step 5: Solve for x
    x = 109,872,201,064.71/348,985.86
  6. Step 6: Final answer
    x = 314,832.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.