Finding the Fourth Proportional to 249,389.69, 374,233.57 and 91,634.09
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Solution
The fourth proportional to 249,389.69, 374,233.57 and 91,634.09 is: 137,505.89
Step by Step Solution
- Step 1: Write the proportion equation
249,389.69 : 374,233.57 = 91,634.09 : x - Step 2: Convert to fraction form
249,389.69/374,233.57 = 91,634.09/x - Step 3: Cross multiply
249,389.69x = 374,233.57 × 91,634.09 - Step 4: Simplify right side
249,389.69x = 34,292,550,534.15 - Step 5: Solve for x
x = 34,292,550,534.15/249,389.69 - Step 6: Final answer
x = 137,505.89
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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.