Finding the Fourth Proportional to 423,731.36, 584,915.88 and 253,932.68
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Solution
The fourth proportional to 423,731.36, 584,915.88 and 253,932.68 is: 350,526.94
Step by Step Solution
- Step 1: Write the proportion equation
423,731.36 : 584,915.88 = 253,932.68 : x - Step 2: Convert to fraction form
423,731.36/584,915.88 = 253,932.68/x - Step 3: Cross multiply
423,731.36x = 584,915.88 × 253,932.68 - Step 4: Simplify right side
423,731.36x = 148,529,256,982.96 - Step 5: Solve for x
x = 148,529,256,982.96/423,731.36 - Step 6: Final answer
x = 350,526.94
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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.