Finding the Fourth Proportional to 304,909.92, 457,534.37 and 136,423.44
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Solution
The fourth proportional to 304,909.92, 457,534.37 and 136,423.44 is: 204,710.99
Step by Step Solution
- Step 1: Write the proportion equation
304,909.92 : 457,534.37 = 136,423.44 : x - Step 2: Convert to fraction form
304,909.92/457,534.37 = 136,423.44/x - Step 3: Cross multiply
304,909.92x = 457,534.37 × 136,423.44 - Step 4: Simplify right side
304,909.92x = 62,418,413,014.69 - Step 5: Solve for x
x = 62,418,413,014.69/304,909.92 - Step 6: Final answer
x = 204,710.99
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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.