Finding the Fourth Proportional to 537,198.14, 741,438.70 and 307,909.08
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Solution
The fourth proportional to 537,198.14, 741,438.70 and 307,909.08 is: 424,974.86
Step by Step Solution
- Step 1: Write the proportion equation
537,198.14 : 741,438.70 = 307,909.08 : x - Step 2: Convert to fraction form
537,198.14/741,438.70 = 307,909.08/x - Step 3: Cross multiply
537,198.14x = 741,438.70 × 307,909.08 - Step 4: Simplify right side
537,198.14x = 228,295,707,223.62 - Step 5: Solve for x
x = 228,295,707,223.62/537,198.14 - Step 6: Final answer
x = 424,974.86
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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.