Finding the Fourth Proportional to 144,043.92, 216,073.98 and 38,871.09
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Solution
The fourth proportional to 144,043.92, 216,073.98 and 38,871.09 is: 58,308.82
Step by Step Solution
- Step 1: Write the proportion equation
144,043.92 : 216,073.98 = 38,871.09 : x - Step 2: Convert to fraction form
144,043.92/216,073.98 = 38,871.09/x - Step 3: Cross multiply
144,043.92x = 216,073.98 × 38,871.09 - Step 4: Simplify right side
144,043.92x = 8,399,031,123.24 - Step 5: Solve for x
x = 8,399,031,123.24/144,043.92 - Step 6: Final answer
x = 58,308.82
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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.