Finding the Fourth Proportional to 181,221.93, 250,089.36 and 99,553.63
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Solution
The fourth proportional to 181,221.93, 250,089.36 and 99,553.63 is: 137,385.71
Step by Step Solution
- Step 1: Write the proportion equation
181,221.93 : 250,089.36 = 99,553.63 : x - Step 2: Convert to fraction form
181,221.93/250,089.36 = 99,553.63/x - Step 3: Cross multiply
181,221.93x = 250,089.36 × 99,553.63 - Step 4: Simplify right side
181,221.93x = 24,897,303,612.38 - Step 5: Solve for x
x = 24,897,303,612.38/181,221.93 - Step 6: Final answer
x = 137,385.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.