Finding the Fourth Proportional to 98,946.30, 136,553.67 and 61,232.70
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Solution
The fourth proportional to 98,946.30, 136,553.67 and 61,232.70 is: 84,505.94
Step by Step Solution
- Step 1: Write the proportion equation
98,946.30 : 136,553.67 = 61,232.70 : x - Step 2: Convert to fraction form
98,946.30/136,553.67 = 61,232.70/x - Step 3: Cross multiply
98,946.30x = 136,553.67 × 61,232.70 - Step 4: Simplify right side
98,946.30x = 8,361,549,909.01 - Step 5: Solve for x
x = 8,361,549,909.01/98,946.30 - Step 6: Final answer
x = 84,505.94
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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.