Finding the Fourth Proportional to 249,941.80, 374,912.70 and 83,729.80
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Solution
The fourth proportional to 249,941.80, 374,912.70 and 83,729.80 is: 125,594.70
Step by Step Solution
- Step 1: Write the proportion equation
249,941.80 : 374,912.70 = 83,729.80 : x - Step 2: Convert to fraction form
249,941.80/374,912.70 = 83,729.80/x - Step 3: Cross multiply
249,941.80x = 374,912.70 × 83,729.80 - Step 4: Simplify right side
249,941.80x = 31,391,365,388.46 - Step 5: Solve for x
x = 31,391,365,388.46/249,941.80 - Step 6: Final answer
x = 125,594.70
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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.