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Finding the Fourth Proportional to 490,282.65, 676,607.45 and 272,495.64

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Solution

The fourth proportional to 490,282.65, 676,607.45 and 272,495.64 is: 376,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,282.65 : 676,607.45 = 272,495.64 : x
  2. Step 2: Convert to fraction form
    490,282.65/676,607.45 = 272,495.64/x
  3. Step 3: Cross multiply
    490,282.65x = 676,607.45 × 272,495.64
  4. Step 4: Simplify right side
    490,282.65x = 184,372,583,590.50
  5. Step 5: Solve for x
    x = 184,372,583,590.50/490,282.65
  6. Step 6: Final answer
    x = 376,053.66

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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.