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Finding the Fourth Proportional to 228,548.48, 342,864.48 and 70,766.24

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Solution

The fourth proportional to 228,548.48, 342,864.48 and 70,766.24 is: 106,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,548.48 : 342,864.48 = 70,766.24 : x
  2. Step 2: Convert to fraction form
    228,548.48/342,864.48 = 70,766.24/x
  3. Step 3: Cross multiply
    228,548.48x = 342,864.48 × 70,766.24
  4. Step 4: Simplify right side
    228,548.48x = 24,263,230,079.16
  5. Step 5: Solve for x
    x = 24,263,230,079.16/228,548.48
  6. Step 6: Final answer
    x = 106,162.29

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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.