Home / 274,289.46-378,353.95-181,155.77

Finding the Fourth Proportional to 274,289.46, 378,353.95 and 181,155.77

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Solution

The fourth proportional to 274,289.46, 378,353.95 and 181,155.77 is: 249,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,289.46 : 378,353.95 = 181,155.77 : x
  2. Step 2: Convert to fraction form
    274,289.46/378,353.95 = 181,155.77/x
  3. Step 3: Cross multiply
    274,289.46x = 378,353.95 × 181,155.77
  4. Step 4: Simplify right side
    274,289.46x = 68,540,999,154.84
  5. Step 5: Solve for x
    x = 68,540,999,154.84/274,289.46
  6. Step 6: Final answer
    x = 249,885.64

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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.