Finding the Fourth Proportional to 344,976.68, 517,465.02 and 157,431.08
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Solution
The fourth proportional to 344,976.68, 517,465.02 and 157,431.08 is: 236,146.62
Step by Step Solution
- Step 1: Write the proportion equation
344,976.68 : 517,465.02 = 157,431.08 : x - Step 2: Convert to fraction form
344,976.68/517,465.02 = 157,431.08/x - Step 3: Cross multiply
344,976.68x = 517,465.02 × 157,431.08 - Step 4: Simplify right side
344,976.68x = 81,465,076,960.82 - Step 5: Solve for x
x = 81,465,076,960.82/344,976.68 - Step 6: Final answer
x = 236,146.62
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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.