Finding the Fourth Proportional to 428,880.18, 591,873.99 and 237,893.52
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Solution
The fourth proportional to 428,880.18, 591,873.99 and 237,893.52 is: 328,303.79
Step by Step Solution
- Step 1: Write the proportion equation
428,880.18 : 591,873.99 = 237,893.52 : x - Step 2: Convert to fraction form
428,880.18/591,873.99 = 237,893.52/x - Step 3: Cross multiply
428,880.18x = 591,873.99 × 237,893.52 - Step 4: Simplify right side
428,880.18x = 140,802,986,877.55 - Step 5: Solve for x
x = 140,802,986,877.55/428,880.18 - Step 6: Final answer
x = 328,303.79
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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.