Finding the Fourth Proportional to 651,130.62, 976,930.83 and 347,205.12
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Solution
The fourth proportional to 651,130.62, 976,930.83 and 347,205.12 is: 520,932.94
Step by Step Solution
- Step 1: Write the proportion equation
651,130.62 : 976,930.83 = 347,205.12 : x - Step 2: Convert to fraction form
651,130.62/976,930.83 = 347,205.12/x - Step 3: Cross multiply
651,130.62x = 976,930.83 × 347,205.12 - Step 4: Simplify right side
651,130.62x = 339,195,386,061.85 - Step 5: Solve for x
x = 339,195,386,061.85/651,130.62 - Step 6: Final answer
x = 520,932.94
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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.