Home / 448,581.50-619,040.34-247,377.50

Finding the Fourth Proportional to 448,581.50, 619,040.34 and 247,377.50

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Solution

The fourth proportional to 448,581.50, 619,040.34 and 247,377.50 is: 341,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,581.50 : 619,040.34 = 247,377.50 : x
  2. Step 2: Convert to fraction form
    448,581.50/619,040.34 = 247,377.50/x
  3. Step 3: Cross multiply
    448,581.50x = 619,040.34 × 247,377.50
  4. Step 4: Simplify right side
    448,581.50x = 153,136,651,708.35
  5. Step 5: Solve for x
    x = 153,136,651,708.35/448,581.50
  6. Step 6: Final answer
    x = 341,379.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.