Finding the Fourth Proportional to 415,726.92, 573,658.74 and 234,434.88
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Solution
The fourth proportional to 415,726.92, 573,658.74 and 234,434.88 is: 323,495.09
Step by Step Solution
- Step 1: Write the proportion equation
415,726.92 : 573,658.74 = 234,434.88 : x - Step 2: Convert to fraction form
415,726.92/573,658.74 = 234,434.88/x - Step 3: Cross multiply
415,726.92x = 573,658.74 × 234,434.88 - Step 4: Simplify right side
415,726.92x = 134,485,617,872.85 - Step 5: Solve for x
x = 134,485,617,872.85/415,726.92 - Step 6: Final answer
x = 323,495.09
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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.