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Finding the Fourth Proportional to 305,477.01, 458,550.71 and 242,700.66

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Solution

The fourth proportional to 305,477.01, 458,550.71 and 242,700.66 is: 364,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,477.01 : 458,550.71 = 242,700.66 : x
  2. Step 2: Convert to fraction form
    305,477.01/458,550.71 = 242,700.66/x
  3. Step 3: Cross multiply
    305,477.01x = 458,550.71 × 242,700.66
  4. Step 4: Simplify right side
    305,477.01x = 111,290,559,960.47
  5. Step 5: Solve for x
    x = 111,290,559,960.47/305,477.01
  6. Step 6: Final answer
    x = 364,317.30

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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.