Finding the Fourth Proportional to 249,227.19, 343,887.51 and 141,790.95
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Solution
The fourth proportional to 249,227.19, 343,887.51 and 141,790.95 is: 195,645.33
Step by Step Solution
- Step 1: Write the proportion equation
249,227.19 : 343,887.51 = 141,790.95 : x - Step 2: Convert to fraction form
249,227.19/343,887.51 = 141,790.95/x - Step 3: Cross multiply
249,227.19x = 343,887.51 × 141,790.95 - Step 4: Simplify right side
249,227.19x = 48,760,136,736.03 - Step 5: Solve for x
x = 48,760,136,736.03/249,227.19 - Step 6: Final answer
x = 195,645.33
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1.5x scale
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.