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Finding the Fourth Proportional to 369,773.91, 510,244.11 and 208,619.55

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Solution

The fourth proportional to 369,773.91, 510,244.11 and 208,619.55 is: 287,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,773.91 : 510,244.11 = 208,619.55 : x
  2. Step 2: Convert to fraction form
    369,773.91/510,244.11 = 208,619.55/x
  3. Step 3: Cross multiply
    369,773.91x = 510,244.11 × 208,619.55
  4. Step 4: Simplify right side
    369,773.91x = 106,446,896,618.35
  5. Step 5: Solve for x
    x = 106,446,896,618.35/369,773.91
  6. Step 6: Final answer
    x = 287,870.22

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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.