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Finding the Fourth Proportional to 369,682.71, 510,214.71 and 208,552.65

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Solution

The fourth proportional to 369,682.71, 510,214.71 and 208,552.65 is: 287,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,682.71 : 510,214.71 = 208,552.65 : x
  2. Step 2: Convert to fraction form
    369,682.71/510,214.71 = 208,552.65/x
  3. Step 3: Cross multiply
    369,682.71x = 510,214.71 × 208,552.65
  4. Step 4: Simplify right side
    369,682.71x = 106,406,629,839.48
  5. Step 5: Solve for x
    x = 106,406,629,839.48/369,682.71
  6. Step 6: Final answer
    x = 287,832.31

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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.