Finding the Fourth Proportional to 189,178.49, 283,502.18 and 103,569.26
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Solution
The fourth proportional to 189,178.49, 283,502.18 and 103,569.26 is: 155,208.50
Step by Step Solution
- Step 1: Write the proportion equation
189,178.49 : 283,502.18 = 103,569.26 : x - Step 2: Convert to fraction form
189,178.49/283,502.18 = 103,569.26/x - Step 3: Cross multiply
189,178.49x = 283,502.18 × 103,569.26 - Step 4: Simplify right side
189,178.49x = 29,362,109,055.63 - Step 5: Solve for x
x = 29,362,109,055.63/189,178.49 - Step 6: Final answer
x = 155,208.50
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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.