Finding the Fourth Proportional to 416,614.19, 624,950.64 and 206,195.63
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Solution
The fourth proportional to 416,614.19, 624,950.64 and 206,195.63 is: 309,307.97
Step by Step Solution
- Step 1: Write the proportion equation
416,614.19 : 624,950.64 = 206,195.63 : x - Step 2: Convert to fraction form
416,614.19/624,950.64 = 206,195.63/x - Step 3: Cross multiply
416,614.19x = 624,950.64 × 206,195.63 - Step 4: Simplify right side
416,614.19x = 128,862,087,808.95 - Step 5: Solve for x
x = 128,862,087,808.95/416,614.19 - Step 6: Final answer
x = 309,307.97
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1.5x scale
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.