Finding the Fourth Proportional to 467,123.71, 644,630.70 and 252,263.75
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Solution
The fourth proportional to 467,123.71, 644,630.70 and 252,263.75 is: 348,123.96
Step by Step Solution
- Step 1: Write the proportion equation
467,123.71 : 644,630.70 = 252,263.75 : x - Step 2: Convert to fraction form
467,123.71/644,630.70 = 252,263.75/x - Step 3: Cross multiply
467,123.71x = 644,630.70 × 252,263.75 - Step 4: Simplify right side
467,123.71x = 162,616,957,747.13 - Step 5: Solve for x
x = 162,616,957,747.13/467,123.71 - Step 6: Final answer
x = 348,123.96
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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.