Home / 152,220-228,265.68-45,619.08

Finding the Fourth Proportional to 152,220, 228,265.68 and 45,619.08

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Solution

The fourth proportional to 152,220, 228,265.68 and 45,619.08 is: 68,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220 : 228,265.68 = 45,619.08 : x
  2. Step 2: Convert to fraction form
    152,220/228,265.68 = 45,619.08/x
  3. Step 3: Cross multiply
    152,220x = 228,265.68 × 45,619.08
  4. Step 4: Simplify right side
    152,220x = 10,413,270,317.17
  5. Step 5: Solve for x
    x = 10,413,270,317.17/152,220
  6. Step 6: Final answer
    x = 68,409.34

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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.