Finding the Fourth Proportional to 249,269.22, 343,989.75 and 136,091.97
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Solution
The fourth proportional to 249,269.22, 343,989.75 and 136,091.97 is: 187,805.95
Step by Step Solution
- Step 1: Write the proportion equation
249,269.22 : 343,989.75 = 136,091.97 : x - Step 2: Convert to fraction form
249,269.22/343,989.75 = 136,091.97/x - Step 3: Cross multiply
249,269.22x = 343,989.75 × 136,091.97 - Step 4: Simplify right side
249,269.22x = 46,814,242,737.31 - Step 5: Solve for x
x = 46,814,242,737.31/249,269.22 - Step 6: Final answer
x = 187,805.95
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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.