Home / 152,611.04-228,911.70-40,287.80

Finding the Fourth Proportional to 152,611.04, 228,911.70 and 40,287.80

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Solution

The fourth proportional to 152,611.04, 228,911.70 and 40,287.80 is: 60,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,611.04 : 228,911.70 = 40,287.80 : x
  2. Step 2: Convert to fraction form
    152,611.04/228,911.70 = 40,287.80/x
  3. Step 3: Cross multiply
    152,611.04x = 228,911.70 × 40,287.80
  4. Step 4: Simplify right side
    152,611.04x = 9,222,348,787.26
  5. Step 5: Solve for x
    x = 9,222,348,787.26/152,611.04
  6. Step 6: Final answer
    x = 60,430.42

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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.