Finding the Fourth Proportional to 249,462.63, 374,230.98 and 91,678.80
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Solution
The fourth proportional to 249,462.63, 374,230.98 and 91,678.80 is: 137,531.81
Step by Step Solution
- Step 1: Write the proportion equation
249,462.63 : 374,230.98 = 91,678.80 : x - Step 2: Convert to fraction form
249,462.63/374,230.98 = 91,678.80/x - Step 3: Cross multiply
249,462.63x = 374,230.98 × 91,678.80 - Step 4: Simplify right side
249,462.63x = 34,309,047,169.22 - Step 5: Solve for x
x = 34,309,047,169.22/249,462.63 - Step 6: Final answer
x = 137,531.81
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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.