Finding the Fourth Proportional to 249,240.62, 343,991.54 and 158,501.99
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Solution
The fourth proportional to 249,240.62, 343,991.54 and 158,501.99 is: 218,757.86
Step by Step Solution
- Step 1: Write the proportion equation
249,240.62 : 343,991.54 = 158,501.99 : x - Step 2: Convert to fraction form
249,240.62/343,991.54 = 158,501.99/x - Step 3: Cross multiply
249,240.62x = 343,991.54 × 158,501.99 - Step 4: Simplify right side
249,240.62x = 54,523,343,633.16 - Step 5: Solve for x
x = 54,523,343,633.16/249,240.62 - Step 6: Final answer
x = 218,757.86
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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.