Finding the Fourth Proportional to 310,896.23, 465,378.99 and 168,387.56
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Solution
The fourth proportional to 310,896.23, 465,378.99 and 168,387.56 is: 252,058.48
Step by Step Solution
- Step 1: Write the proportion equation
310,896.23 : 465,378.99 = 168,387.56 : x - Step 2: Convert to fraction form
310,896.23/465,378.99 = 168,387.56/x - Step 3: Cross multiply
310,896.23x = 465,378.99 × 168,387.56 - Step 4: Simplify right side
310,896.23x = 78,364,030,274.47 - Step 5: Solve for x
x = 78,364,030,274.47/310,896.23 - Step 6: Final answer
x = 252,058.48
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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.