Finding the Fourth Proportional to 215,696.05, 297,647.47 and 118,895.67
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Solution
The fourth proportional to 215,696.05, 297,647.47 and 118,895.67 is: 164,068.82
Step by Step Solution
- Step 1: Write the proportion equation
215,696.05 : 297,647.47 = 118,895.67 : x - Step 2: Convert to fraction form
215,696.05/297,647.47 = 118,895.67/x - Step 3: Cross multiply
215,696.05x = 297,647.47 × 118,895.67 - Step 4: Simplify right side
215,696.05x = 35,388,995,518.07 - Step 5: Solve for x
x = 35,388,995,518.07/215,696.05 - Step 6: Final answer
x = 164,068.82
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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.