Home / 355,349.68-489,551.14-247,727.41

Finding the Fourth Proportional to 355,349.68, 489,551.14 and 247,727.41

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Solution

The fourth proportional to 355,349.68, 489,551.14 and 247,727.41 is: 341,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,349.68 : 489,551.14 = 247,727.41 : x
  2. Step 2: Convert to fraction form
    355,349.68/489,551.14 = 247,727.41/x
  3. Step 3: Cross multiply
    355,349.68x = 489,551.14 × 247,727.41
  4. Step 4: Simplify right side
    355,349.68x = 121,275,237,814.25
  5. Step 5: Solve for x
    x = 121,275,237,814.25/355,349.68
  6. Step 6: Final answer
    x = 341,284.22

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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.