Home / 419,905.80-629,674.02-153,597.24

Finding the Fourth Proportional to 419,905.80, 629,674.02 and 153,597.24

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Solution

The fourth proportional to 419,905.80, 629,674.02 and 153,597.24 is: 230,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905.80 : 629,674.02 = 153,597.24 : x
  2. Step 2: Convert to fraction form
    419,905.80/629,674.02 = 153,597.24/x
  3. Step 3: Cross multiply
    419,905.80x = 629,674.02 × 153,597.24
  4. Step 4: Simplify right side
    419,905.80x = 96,716,191,571.70
  5. Step 5: Solve for x
    x = 96,716,191,571.70/419,905.80
  6. Step 6: Final answer
    x = 230,328.31

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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.