Finding the Fourth Proportional to 181,648.04, 272,472.21 and 86,855.92
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Solution
The fourth proportional to 181,648.04, 272,472.21 and 86,855.92 is: 130,283.95
Step by Step Solution
- Step 1: Write the proportion equation
181,648.04 : 272,472.21 = 86,855.92 : x - Step 2: Convert to fraction form
181,648.04/272,472.21 = 86,855.92/x - Step 3: Cross multiply
181,648.04x = 272,472.21 × 86,855.92 - Step 4: Simplify right side
181,648.04x = 23,665,824,473.98 - Step 5: Solve for x
x = 23,665,824,473.98/181,648.04 - Step 6: Final answer
x = 130,283.95
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1.5x scale
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.