Home / 295,639.61-407,982.39-159,673.55

Finding the Fourth Proportional to 295,639.61, 407,982.39 and 159,673.55

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Solution

The fourth proportional to 295,639.61, 407,982.39 and 159,673.55 is: 220,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.61 : 407,982.39 = 159,673.55 : x
  2. Step 2: Convert to fraction form
    295,639.61/407,982.39 = 159,673.55/x
  3. Step 3: Cross multiply
    295,639.61x = 407,982.39 × 159,673.55
  4. Step 4: Simplify right side
    295,639.61x = 65,143,996,548.78
  5. Step 5: Solve for x
    x = 65,143,996,548.78/295,639.61
  6. Step 6: Final answer
    x = 220,349.35

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1.5x scale

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.