Home / 306,731.08-459,940.96-140,376.52

Finding the Fourth Proportional to 306,731.08, 459,940.96 and 140,376.52

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Solution

The fourth proportional to 306,731.08, 459,940.96 and 140,376.52 is: 210,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,731.08 : 459,940.96 = 140,376.52 : x
  2. Step 2: Convert to fraction form
    306,731.08/459,940.96 = 140,376.52/x
  3. Step 3: Cross multiply
    306,731.08x = 459,940.96 × 140,376.52
  4. Step 4: Simplify right side
    306,731.08x = 64,564,911,370.26
  5. Step 5: Solve for x
    x = 64,564,911,370.26/306,731.08
  6. Step 6: Final answer
    x = 210,493.54

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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.