Finding the Fourth Proportional to 249,778.08, 374,713.34 and 79,042.79
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Solution
The fourth proportional to 249,778.08, 374,713.34 and 79,042.79 is: 118,578.81
Step by Step Solution
- Step 1: Write the proportion equation
249,778.08 : 374,713.34 = 79,042.79 : x - Step 2: Convert to fraction form
249,778.08/374,713.34 = 79,042.79/x - Step 3: Cross multiply
249,778.08x = 374,713.34 × 79,042.79 - Step 4: Simplify right side
249,778.08x = 29,618,386,722.24 - Step 5: Solve for x
x = 29,618,386,722.24/249,778.08 - Step 6: Final answer
x = 118,578.81
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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.