Home / 306,606.05-459,909.20-137,929.35

Finding the Fourth Proportional to 306,606.05, 459,909.20 and 137,929.35

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Solution

The fourth proportional to 306,606.05, 459,909.20 and 137,929.35 is: 206,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,606.05 : 459,909.20 = 137,929.35 : x
  2. Step 2: Convert to fraction form
    306,606.05/459,909.20 = 137,929.35/x
  3. Step 3: Cross multiply
    306,606.05x = 459,909.20 × 137,929.35
  4. Step 4: Simplify right side
    306,606.05x = 63,434,976,325.37
  5. Step 5: Solve for x
    x = 63,434,976,325.37/306,606.05
  6. Step 6: Final answer
    x = 206,894.08

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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.