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Finding the Fourth Proportional to 539,137.60, 808,317.60 and 302,552.80

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Solution

The fourth proportional to 539,137.60, 808,317.60 and 302,552.80 is: 453,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,137.60 : 808,317.60 = 302,552.80 : x
  2. Step 2: Convert to fraction form
    539,137.60/808,317.60 = 302,552.80/x
  3. Step 3: Cross multiply
    539,137.60x = 808,317.60 × 302,552.80
  4. Step 4: Simplify right side
    539,137.60x = 244,558,753,169.28
  5. Step 5: Solve for x
    x = 244,558,753,169.28/539,137.60
  6. Step 6: Final answer
    x = 453,611.01

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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.