Finding the Fourth Proportional to 225,913.52, 338,860.03 and 99,519.99
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Solution
The fourth proportional to 225,913.52, 338,860.03 and 99,519.99 is: 149,275.47
Step by Step Solution
- Step 1: Write the proportion equation
225,913.52 : 338,860.03 = 99,519.99 : x - Step 2: Convert to fraction form
225,913.52/338,860.03 = 99,519.99/x - Step 3: Cross multiply
225,913.52x = 338,860.03 × 99,519.99 - Step 4: Simplify right side
225,913.52x = 33,723,346,797.00 - Step 5: Solve for x
x = 33,723,346,797.00/225,913.52 - Step 6: Final answer
x = 149,275.47
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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.