Finding the Fourth Proportional to 113,351.18, 156,424.64 and 62,362.82
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Solution
The fourth proportional to 113,351.18, 156,424.64 and 62,362.82 is: 86,060.70
Step by Step Solution
- Step 1: Write the proportion equation
113,351.18 : 156,424.64 = 62,362.82 : x - Step 2: Convert to fraction form
113,351.18/156,424.64 = 62,362.82/x - Step 3: Cross multiply
113,351.18x = 156,424.64 × 62,362.82 - Step 4: Simplify right side
113,351.18x = 9,755,081,747.13 - Step 5: Solve for x
x = 9,755,081,747.13/113,351.18 - Step 6: Final answer
x = 86,060.70
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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.