Finding the Fourth Proportional to 178,681.17, 246,578.31 and 98,107.99
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Solution
The fourth proportional to 178,681.17, 246,578.31 and 98,107.99 is: 135,388.09
Step by Step Solution
- Step 1: Write the proportion equation
178,681.17 : 246,578.31 = 98,107.99 : x - Step 2: Convert to fraction form
178,681.17/246,578.31 = 98,107.99/x - Step 3: Cross multiply
178,681.17x = 246,578.31 × 98,107.99 - Step 4: Simplify right side
178,681.17x = 24,191,302,371.70 - Step 5: Solve for x
x = 24,191,302,371.70/178,681.17 - Step 6: Final answer
x = 135,388.09
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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.