Finding the Fourth Proportional to 249,073.97, 343,720.33 and 141,643.98
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Solution
The fourth proportional to 249,073.97, 343,720.33 and 141,643.98 is: 195,467.70
Step by Step Solution
- Step 1: Write the proportion equation
249,073.97 : 343,720.33 = 141,643.98 : x - Step 2: Convert to fraction form
249,073.97/343,720.33 = 141,643.98/x - Step 3: Cross multiply
249,073.97x = 343,720.33 × 141,643.98 - Step 4: Simplify right side
249,073.97x = 48,685,915,194.00 - Step 5: Solve for x
x = 48,685,915,194.00/249,073.97 - Step 6: Final answer
x = 195,467.70
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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.