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Finding the Fourth Proportional to 360,477.38, 540,798.02 and 191,908.86

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Solution

The fourth proportional to 360,477.38, 540,798.02 and 191,908.86 is: 287,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,477.38 : 540,798.02 = 191,908.86 : x
  2. Step 2: Convert to fraction form
    360,477.38/540,798.02 = 191,908.86/x
  3. Step 3: Cross multiply
    360,477.38x = 540,798.02 × 191,908.86
  4. Step 4: Simplify right side
    360,477.38x = 103,783,931,508.46
  5. Step 5: Solve for x
    x = 103,783,931,508.46/360,477.38
  6. Step 6: Final answer
    x = 287,906.92

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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.