Finding the Fourth Proportional to 249,917.40, 374,876.10 and 225,811.80
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Solution
The fourth proportional to 249,917.40, 374,876.10 and 225,811.80 is: 338,717.70
Step by Step Solution
- Step 1: Write the proportion equation
249,917.40 : 374,876.10 = 225,811.80 : x - Step 2: Convert to fraction form
249,917.40/374,876.10 = 225,811.80/x - Step 3: Cross multiply
249,917.40x = 374,876.10 × 225,811.80 - Step 4: Simplify right side
249,917.40x = 84,651,446,917.98 - Step 5: Solve for x
x = 84,651,446,917.98/249,917.40 - Step 6: Final answer
x = 338,717.70
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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.