Finding the Fourth Proportional to 180,546.45, 249,136.72 and 107,934.99
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Solution
The fourth proportional to 180,546.45, 249,136.72 and 107,934.99 is: 148,939.90
Step by Step Solution
- Step 1: Write the proportion equation
180,546.45 : 249,136.72 = 107,934.99 : x - Step 2: Convert to fraction form
180,546.45/249,136.72 = 107,934.99/x - Step 3: Cross multiply
180,546.45x = 249,136.72 × 107,934.99 - Step 4: Simplify right side
180,546.45x = 26,890,569,381.83 - Step 5: Solve for x
x = 26,890,569,381.83/180,546.45 - Step 6: Final answer
x = 148,939.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.