Finding the Fourth Proportional to 178,634.24, 246,549.44 and 118,206.08
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Solution
The fourth proportional to 178,634.24, 246,549.44 and 118,206.08 is: 163,147.01
Step by Step Solution
- Step 1: Write the proportion equation
178,634.24 : 246,549.44 = 118,206.08 : x - Step 2: Convert to fraction form
178,634.24/246,549.44 = 118,206.08/x - Step 3: Cross multiply
178,634.24x = 246,549.44 × 118,206.08 - Step 4: Simplify right side
178,634.24x = 29,143,642,828.60 - Step 5: Solve for x
x = 29,143,642,828.60/178,634.24 - Step 6: Final answer
x = 163,147.01
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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.