Finding the Fourth Proportional to 390,820.88, 585,824.87 and 151,099.42
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Solution
The fourth proportional to 390,820.88, 585,824.87 and 151,099.42 is: 226,491.99
Step by Step Solution
- Step 1: Write the proportion equation
390,820.88 : 585,824.87 = 151,099.42 : x - Step 2: Convert to fraction form
390,820.88/585,824.87 = 151,099.42/x - Step 3: Cross multiply
390,820.88x = 585,824.87 × 151,099.42 - Step 4: Simplify right side
390,820.88x = 88,517,798,078.58 - Step 5: Solve for x
x = 88,517,798,078.58/390,820.88 - Step 6: Final answer
x = 226,491.99
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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.