Finding the Fourth Proportional to 205,526.18, 283,626.02 and 120,643.23
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Solution
The fourth proportional to 205,526.18, 283,626.02 and 120,643.23 is: 166,487.59
Step by Step Solution
- Step 1: Write the proportion equation
205,526.18 : 283,626.02 = 120,643.23 : x - Step 2: Convert to fraction form
205,526.18/283,626.02 = 120,643.23/x - Step 3: Cross multiply
205,526.18x = 283,626.02 × 120,643.23 - Step 4: Simplify right side
205,526.18x = 34,217,558,561.63 - Step 5: Solve for x
x = 34,217,558,561.63/205,526.18 - Step 6: Final answer
x = 166,487.59
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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.