Home / 306,256.98-459,349.02-81,634.26

Finding the Fourth Proportional to 306,256.98, 459,349.02 and 81,634.26

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Solution

The fourth proportional to 306,256.98, 459,349.02 and 81,634.26 is: 122,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,256.98 : 459,349.02 = 81,634.26 : x
  2. Step 2: Convert to fraction form
    306,256.98/459,349.02 = 81,634.26/x
  3. Step 3: Cross multiply
    306,256.98x = 459,349.02 × 81,634.26
  4. Step 4: Simplify right side
    306,256.98x = 37,498,617,329.43
  5. Step 5: Solve for x
    x = 37,498,617,329.43/306,256.98
  6. Step 6: Final answer
    x = 122,441.67

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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.