Home / 152,308.40-228,437.40-51,105.20

Finding the Fourth Proportional to 152,308.40, 228,437.40 and 51,105.20

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Solution

The fourth proportional to 152,308.40, 228,437.40 and 51,105.20 is: 76,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,308.40 : 228,437.40 = 51,105.20 : x
  2. Step 2: Convert to fraction form
    152,308.40/228,437.40 = 51,105.20/x
  3. Step 3: Cross multiply
    152,308.40x = 228,437.40 × 51,105.20
  4. Step 4: Simplify right side
    152,308.40x = 11,674,339,014.48
  5. Step 5: Solve for x
    x = 11,674,339,014.48/152,308.40
  6. Step 6: Final answer
    x = 76,649.34

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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.