Finding the Fourth Proportional to 423,837.36, 635,748.84 and 224,115.12
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Solution
The fourth proportional to 423,837.36, 635,748.84 and 224,115.12 is: 336,168.87
Step by Step Solution
- Step 1: Write the proportion equation
423,837.36 : 635,748.84 = 224,115.12 : x - Step 2: Convert to fraction form
423,837.36/635,748.84 = 224,115.12/x - Step 3: Cross multiply
423,837.36x = 635,748.84 × 224,115.12 - Step 4: Simplify right side
423,837.36x = 142,480,927,566.46 - Step 5: Solve for x
x = 142,480,927,566.46/423,837.36 - Step 6: Final answer
x = 336,168.87
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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.