Finding the Fourth Proportional to 215,888.47, 297,911.99 and 119,086.52
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Solution
The fourth proportional to 215,888.47, 297,911.99 and 119,086.52 is: 164,331.62
Step by Step Solution
- Step 1: Write the proportion equation
215,888.47 : 297,911.99 = 119,086.52 : x - Step 2: Convert to fraction form
215,888.47/297,911.99 = 119,086.52/x - Step 3: Cross multiply
215,888.47x = 297,911.99 × 119,086.52 - Step 4: Simplify right side
215,888.47x = 35,477,300,963.53 - Step 5: Solve for x
x = 35,477,300,963.53/215,888.47 - Step 6: Final answer
x = 164,331.62
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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.