Finding the Fourth Proportional to 428,700.36, 591,636.24 and 237,731.52
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Solution
The fourth proportional to 428,700.36, 591,636.24 and 237,731.52 is: 328,085.99
Step by Step Solution
- Step 1: Write the proportion equation
428,700.36 : 591,636.24 = 237,731.52 : x - Step 2: Convert to fraction form
428,700.36/591,636.24 = 237,731.52/x - Step 3: Cross multiply
428,700.36x = 591,636.24 × 237,731.52 - Step 4: Simplify right side
428,700.36x = 140,650,582,622.29 - Step 5: Solve for x
x = 140,650,582,622.29/428,700.36 - Step 6: Final answer
x = 328,085.99
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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.