Finding the Fourth Proportional to 614,619.65, 922,064.88 and 188,158.70
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Solution
The fourth proportional to 614,619.65, 922,064.88 and 188,158.70 is: 282,279.50
Step by Step Solution
- Step 1: Write the proportion equation
614,619.65 : 922,064.88 = 188,158.70 : x - Step 2: Convert to fraction form
614,619.65/922,064.88 = 188,158.70/x - Step 3: Cross multiply
614,619.65x = 922,064.88 × 188,158.70 - Step 4: Simplify right side
614,619.65x = 173,494,524,526.13 - Step 5: Solve for x
x = 173,494,524,526.13/614,619.65 - Step 6: Final answer
x = 282,279.50
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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.