Finding the Fourth Proportional to 235,670.36, 353,560.90 and 77,898.82
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Solution
The fourth proportional to 235,670.36, 353,560.90 and 77,898.82 is: 116,866.53
Step by Step Solution
- Step 1: Write the proportion equation
235,670.36 : 353,560.90 = 77,898.82 : x - Step 2: Convert to fraction form
235,670.36/353,560.90 = 77,898.82/x - Step 3: Cross multiply
235,670.36x = 353,560.90 × 77,898.82 - Step 4: Simplify right side
235,670.36x = 27,541,976,908.14 - Step 5: Solve for x
x = 27,541,976,908.14/235,670.36 - Step 6: Final answer
x = 116,866.53
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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.