Finding the Fourth Proportional to 187,721.21, 281,522.93 and 61,332.66
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Solution
The fourth proportional to 187,721.21, 281,522.93 and 61,332.66 is: 91,979.75
Step by Step Solution
- Step 1: Write the proportion equation
187,721.21 : 281,522.93 = 61,332.66 : x - Step 2: Convert to fraction form
187,721.21/281,522.93 = 61,332.66/x - Step 3: Cross multiply
187,721.21x = 281,522.93 × 61,332.66 - Step 4: Simplify right side
187,721.21x = 17,266,549,841.23 - Step 5: Solve for x
x = 17,266,549,841.23/187,721.21 - Step 6: Final answer
x = 91,979.75
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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.