Finding the Fourth Proportional to 249,238.62, 343,988.78 and 158,499.99
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Solution
The fourth proportional to 249,238.62, 343,988.78 and 158,499.99 is: 218,755.09
Step by Step Solution
- Step 1: Write the proportion equation
249,238.62 : 343,988.78 = 158,499.99 : x - Step 2: Convert to fraction form
249,238.62/343,988.78 = 158,499.99/x - Step 3: Cross multiply
249,238.62x = 343,988.78 × 158,499.99 - Step 4: Simplify right side
249,238.62x = 54,522,217,397.61 - Step 5: Solve for x
x = 54,522,217,397.61/249,238.62 - Step 6: Final answer
x = 218,755.09
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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.