Home / 459,319.96-688,992.90-126,895.96

Finding the Fourth Proportional to 459,319.96, 688,992.90 and 126,895.96

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Solution

The fourth proportional to 459,319.96, 688,992.90 and 126,895.96 is: 190,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,319.96 : 688,992.90 = 126,895.96 : x
  2. Step 2: Convert to fraction form
    459,319.96/688,992.90 = 126,895.96/x
  3. Step 3: Cross multiply
    459,319.96x = 688,992.90 × 126,895.96
  4. Step 4: Simplify right side
    459,319.96x = 87,430,415,478.68
  5. Step 5: Solve for x
    x = 87,430,415,478.68/459,319.96
  6. Step 6: Final answer
    x = 190,347.52

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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.