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Finding the Fourth Proportional to 152,079.80, 228,119.70 and 146,247.80

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Solution

The fourth proportional to 152,079.80, 228,119.70 and 146,247.80 is: 219,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,079.80 : 228,119.70 = 146,247.80 : x
  2. Step 2: Convert to fraction form
    152,079.80/228,119.70 = 146,247.80/x
  3. Step 3: Cross multiply
    152,079.80x = 228,119.70 × 146,247.80
  4. Step 4: Simplify right side
    152,079.80x = 33,362,004,261.66
  5. Step 5: Solve for x
    x = 33,362,004,261.66/152,079.80
  6. Step 6: Final answer
    x = 219,371.70

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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.