Finding the Fourth Proportional to 233,201.28, 349,727.28 and 100,045.68
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Solution
The fourth proportional to 233,201.28, 349,727.28 and 100,045.68 is: 150,036.50
Step by Step Solution
- Step 1: Write the proportion equation
233,201.28 : 349,727.28 = 100,045.68 : x - Step 2: Convert to fraction form
233,201.28/349,727.28 = 100,045.68/x - Step 3: Cross multiply
233,201.28x = 349,727.28 × 100,045.68 - Step 4: Simplify right side
233,201.28x = 34,988,703,542.15 - Step 5: Solve for x
x = 34,988,703,542.15/233,201.28 - Step 6: Final answer
x = 150,036.50
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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.