Finding the Fourth Proportional to 77,702.49, 116,536.39 and 30,318.84
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Solution
The fourth proportional to 77,702.49, 116,536.39 and 30,318.84 is: 45,471.49
Step by Step Solution
- Step 1: Write the proportion equation
77,702.49 : 116,536.39 = 30,318.84 : x - Step 2: Convert to fraction form
77,702.49/116,536.39 = 30,318.84/x - Step 3: Cross multiply
77,702.49x = 116,536.39 × 30,318.84 - Step 4: Simplify right side
77,702.49x = 3,533,248,086.79 - Step 5: Solve for x
x = 3,533,248,086.79/77,702.49 - Step 6: Final answer
x = 45,471.49
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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.