Home / 152,330.40-228,470.40-51,127.20

Finding the Fourth Proportional to 152,330.40, 228,470.40 and 51,127.20

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Solution

The fourth proportional to 152,330.40, 228,470.40 and 51,127.20 is: 76,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,330.40 : 228,470.40 = 51,127.20 : x
  2. Step 2: Convert to fraction form
    152,330.40/228,470.40 = 51,127.20/x
  3. Step 3: Cross multiply
    152,330.40x = 228,470.40 × 51,127.20
  4. Step 4: Simplify right side
    152,330.40x = 11,681,051,834.88
  5. Step 5: Solve for x
    x = 11,681,051,834.88/152,330.40
  6. Step 6: Final answer
    x = 76,682.34

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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.