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Finding the Fourth Proportional to 365,989.87, 505,005.77 and 229,927.51

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Solution

The fourth proportional to 365,989.87, 505,005.77 and 229,927.51 is: 317,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,989.87 : 505,005.77 = 229,927.51 : x
  2. Step 2: Convert to fraction form
    365,989.87/505,005.77 = 229,927.51/x
  3. Step 3: Cross multiply
    365,989.87x = 505,005.77 × 229,927.51
  4. Step 4: Simplify right side
    365,989.87x = 116,114,715,557.07
  5. Step 5: Solve for x
    x = 116,114,715,557.07/365,989.87
  6. Step 6: Final answer
    x = 317,262.11

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1.5x scale

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.