Home / 306,723.06-459,928.98-140,368.50

Finding the Fourth Proportional to 306,723.06, 459,928.98 and 140,368.50

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Solution

The fourth proportional to 306,723.06, 459,928.98 and 140,368.50 is: 210,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,723.06 : 459,928.98 = 140,368.50 : x
  2. Step 2: Convert to fraction form
    306,723.06/459,928.98 = 140,368.50/x
  3. Step 3: Cross multiply
    306,723.06x = 459,928.98 × 140,368.50
  4. Step 4: Simplify right side
    306,723.06x = 64,559,541,029.13
  5. Step 5: Solve for x
    x = 64,559,541,029.13/306,723.06
  6. Step 6: Final answer
    x = 210,481.54

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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.