Finding the Fourth Proportional to 178,526.49, 246,142.36 and 130,696.80
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Solution
The fourth proportional to 178,526.49, 246,142.36 and 130,696.80 is: 180,197.45
Step by Step Solution
- Step 1: Write the proportion equation
178,526.49 : 246,142.36 = 130,696.80 : x - Step 2: Convert to fraction form
178,526.49/246,142.36 = 130,696.80/x - Step 3: Cross multiply
178,526.49x = 246,142.36 × 130,696.80 - Step 4: Simplify right side
178,526.49x = 32,170,018,796.45 - Step 5: Solve for x
x = 32,170,018,796.45/178,526.49 - Step 6: Final answer
x = 180,197.45
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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.