Finding the Fourth Proportional to 176,142.49, 264,243.08 and 57,782.05
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Solution
The fourth proportional to 176,142.49, 264,243.08 and 57,782.05 is: 86,682.70
Step by Step Solution
- Step 1: Write the proportion equation
176,142.49 : 264,243.08 = 57,782.05 : x - Step 2: Convert to fraction form
176,142.49/264,243.08 = 57,782.05/x - Step 3: Cross multiply
176,142.49x = 264,243.08 × 57,782.05 - Step 4: Simplify right side
176,142.49x = 15,268,506,860.71 - Step 5: Solve for x
x = 15,268,506,860.71/176,142.49 - Step 6: Final answer
x = 86,682.70
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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.