Finding the Fourth Proportional to 445,642.09, 614,989.20 and 241,694.08
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Solution
The fourth proportional to 445,642.09, 614,989.20 and 241,694.08 is: 333,539.52
Step by Step Solution
- Step 1: Write the proportion equation
445,642.09 : 614,989.20 = 241,694.08 : x - Step 2: Convert to fraction form
445,642.09/614,989.20 = 241,694.08/x - Step 3: Cross multiply
445,642.09x = 614,989.20 × 241,694.08 - Step 4: Simplify right side
445,642.09x = 148,639,248,903.94 - Step 5: Solve for x
x = 148,639,248,903.94/445,642.09 - Step 6: Final answer
x = 333,539.52
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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.