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Finding the Fourth Proportional to 298,369.60, 448,072.80 and 158,401.60

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Solution

The fourth proportional to 298,369.60, 448,072.80 and 158,401.60 is: 237,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,369.60 : 448,072.80 = 158,401.60 : x
  2. Step 2: Convert to fraction form
    298,369.60/448,072.80 = 158,401.60/x
  3. Step 3: Cross multiply
    298,369.60x = 448,072.80 × 158,401.60
  4. Step 4: Simplify right side
    298,369.60x = 70,975,448,436.48
  5. Step 5: Solve for x
    x = 70,975,448,436.48/298,369.60
  6. Step 6: Final answer
    x = 237,877.61

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1.5x scale

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.