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Finding the Fourth Proportional to 363,470.70, 545,317.62 and 186,102.24

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Solution

The fourth proportional to 363,470.70, 545,317.62 and 186,102.24 is: 279,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,470.70 : 545,317.62 = 186,102.24 : x
  2. Step 2: Convert to fraction form
    363,470.70/545,317.62 = 186,102.24/x
  3. Step 3: Cross multiply
    363,470.70x = 545,317.62 × 186,102.24
  4. Step 4: Simplify right side
    363,470.70x = 101,484,830,593.47
  5. Step 5: Solve for x
    x = 101,484,830,593.47/363,470.70
  6. Step 6: Final answer
    x = 279,210.49

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1.5x scale

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.