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Finding the Fourth Proportional to 376,466.65, 519,502.75 and 219,350.30

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Solution

The fourth proportional to 376,466.65, 519,502.75 and 219,350.30 is: 302,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,466.65 : 519,502.75 = 219,350.30 : x
  2. Step 2: Convert to fraction form
    376,466.65/519,502.75 = 219,350.30/x
  3. Step 3: Cross multiply
    376,466.65x = 519,502.75 × 219,350.30
  4. Step 4: Simplify right side
    376,466.65x = 113,953,084,813.71
  5. Step 5: Solve for x
    x = 113,953,084,813.71/376,466.65
  6. Step 6: Final answer
    x = 302,691.05

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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.