Finding the Fourth Proportional to 238,274.21, 328,816.71 and 130,842.08
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Solution
The fourth proportional to 238,274.21, 328,816.71 and 130,842.08 is: 180,561.14
Step by Step Solution
- Step 1: Write the proportion equation
238,274.21 : 328,816.71 = 130,842.08 : x - Step 2: Convert to fraction form
238,274.21/328,816.71 = 130,842.08/x - Step 3: Cross multiply
238,274.21x = 328,816.71 × 130,842.08 - Step 4: Simplify right side
238,274.21x = 43,023,062,442.99 - Step 5: Solve for x
x = 43,023,062,442.99/238,274.21 - Step 6: Final answer
x = 180,561.14
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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.