Finding the Fourth Proportional to 113,848.80, 157,110.60 and 62,864.70
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Solution
The fourth proportional to 113,848.80, 157,110.60 and 62,864.70 is: 86,752.88
Step by Step Solution
- Step 1: Write the proportion equation
113,848.80 : 157,110.60 = 62,864.70 : x - Step 2: Convert to fraction form
113,848.80/157,110.60 = 62,864.70/x - Step 3: Cross multiply
113,848.80x = 157,110.60 × 62,864.70 - Step 4: Simplify right side
113,848.80x = 9,876,710,735.82 - Step 5: Solve for x
x = 9,876,710,735.82/113,848.80 - Step 6: Final answer
x = 86,752.88
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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.