Finding the Fourth Proportional to 181,403.52, 272,108.07 and 69,089.97
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Solution
The fourth proportional to 181,403.52, 272,108.07 and 69,089.97 is: 103,636.02
Step by Step Solution
- Step 1: Write the proportion equation
181,403.52 : 272,108.07 = 69,089.97 : x - Step 2: Convert to fraction form
181,403.52/272,108.07 = 69,089.97/x - Step 3: Cross multiply
181,403.52x = 272,108.07 × 69,089.97 - Step 4: Simplify right side
181,403.52x = 18,799,938,393.06 - Step 5: Solve for x
x = 18,799,938,393.06/181,403.52 - Step 6: Final answer
x = 103,636.02
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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.