Finding the Fourth Proportional to 372,385.52, 513,929.84 and 219,472.94
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Solution
The fourth proportional to 372,385.52, 513,929.84 and 219,472.94 is: 302,894.95
Step by Step Solution
- Step 1: Write the proportion equation
372,385.52 : 513,929.84 = 219,472.94 : x - Step 2: Convert to fraction form
372,385.52/513,929.84 = 219,472.94/x - Step 3: Cross multiply
372,385.52x = 513,929.84 × 219,472.94 - Step 4: Simplify right side
372,385.52x = 112,793,693,125.99 - Step 5: Solve for x
x = 112,793,693,125.99/372,385.52 - Step 6: Final answer
x = 302,894.95
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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.