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Finding the Fourth Proportional to 369,612.77, 510,034.96 and 208,507.42

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Solution

The fourth proportional to 369,612.77, 510,034.96 and 208,507.42 is: 287,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,612.77 : 510,034.96 = 208,507.42 : x
  2. Step 2: Convert to fraction form
    369,612.77/510,034.96 = 208,507.42/x
  3. Step 3: Cross multiply
    369,612.77x = 510,034.96 × 208,507.42
  4. Step 4: Simplify right side
    369,612.77x = 106,346,073,619.40
  5. Step 5: Solve for x
    x = 106,346,073,619.40/369,612.77
  6. Step 6: Final answer
    x = 287,722.94

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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.