Finding the Fourth Proportional to 117,569.16, 162,240.84 and 69,821.28
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Solution
The fourth proportional to 117,569.16, 162,240.84 and 69,821.28 is: 96,350.63
Step by Step Solution
- Step 1: Write the proportion equation
117,569.16 : 162,240.84 = 69,821.28 : x - Step 2: Convert to fraction form
117,569.16/162,240.84 = 69,821.28/x - Step 3: Cross multiply
117,569.16x = 162,240.84 × 69,821.28 - Step 4: Simplify right side
117,569.16x = 11,327,863,117.08 - Step 5: Solve for x
x = 11,327,863,117.08/117,569.16 - Step 6: Final answer
x = 96,350.63
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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.