Finding the Fourth Proportional to 249,091.19, 343,744.02 and 141,661.09
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Solution
The fourth proportional to 249,091.19, 343,744.02 and 141,661.09 is: 195,491.27
Step by Step Solution
- Step 1: Write the proportion equation
249,091.19 : 343,744.02 = 141,661.09 : x - Step 2: Convert to fraction form
249,091.19/343,744.02 = 141,661.09/x - Step 3: Cross multiply
249,091.19x = 343,744.02 × 141,661.09 - Step 4: Simplify right side
249,091.19x = 48,695,152,554.18 - Step 5: Solve for x
x = 48,695,152,554.18/249,091.19 - Step 6: Final answer
x = 195,491.27
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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.