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Finding the Fourth Proportional to 336,574.36, 504,956.54 and 137,037.95

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Solution

The fourth proportional to 336,574.36, 504,956.54 and 137,037.95 is: 205,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,574.36 : 504,956.54 = 137,037.95 : x
  2. Step 2: Convert to fraction form
    336,574.36/504,956.54 = 137,037.95/x
  3. Step 3: Cross multiply
    336,574.36x = 504,956.54 × 137,037.95
  4. Step 4: Simplify right side
    336,574.36x = 69,198,209,080.69
  5. Step 5: Solve for x
    x = 69,198,209,080.69/336,574.36
  6. Step 6: Final answer
    x = 205,595.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.