Finding the Fourth Proportional to 101,502.20, 152,257.62 and 31,382.84
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Solution
The fourth proportional to 101,502.20, 152,257.62 and 31,382.84 is: 47,075.60
Step by Step Solution
- Step 1: Write the proportion equation
101,502.20 : 152,257.62 = 31,382.84 : x - Step 2: Convert to fraction form
101,502.20/152,257.62 = 31,382.84/x - Step 3: Cross multiply
101,502.20x = 152,257.62 × 31,382.84 - Step 4: Simplify right side
101,502.20x = 4,778,276,527.24 - Step 5: Solve for x
x = 4,778,276,527.24/101,502.20 - Step 6: Final answer
x = 47,075.60
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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.