Home / 306,333.14-459,341.75-137,709.36

Finding the Fourth Proportional to 306,333.14, 459,341.75 and 137,709.36

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Solution

The fourth proportional to 306,333.14, 459,341.75 and 137,709.36 is: 206,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,333.14 : 459,341.75 = 137,709.36 : x
  2. Step 2: Convert to fraction form
    306,333.14/459,341.75 = 137,709.36/x
  3. Step 3: Cross multiply
    306,333.14x = 459,341.75 × 137,709.36
  4. Step 4: Simplify right side
    306,333.14x = 63,255,658,758.05
  5. Step 5: Solve for x
    x = 63,255,658,758.05/306,333.14
  6. Step 6: Final answer
    x = 206,493.03

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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.