Finding the Fourth Proportional to 181,503.52, 272,089.23 and 76,329.88
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Solution
The fourth proportional to 181,503.52, 272,089.23 and 76,329.88 is: 114,424.99
Step by Step Solution
- Step 1: Write the proportion equation
181,503.52 : 272,089.23 = 76,329.88 : x - Step 2: Convert to fraction form
181,503.52/272,089.23 = 76,329.88/x - Step 3: Cross multiply
181,503.52x = 272,089.23 × 76,329.88 - Step 4: Simplify right side
181,503.52x = 20,768,538,275.19 - Step 5: Solve for x
x = 20,768,538,275.19/181,503.52 - Step 6: Final answer
x = 114,424.99
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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.