Finding the Fourth Proportional to 352,774.30, 529,008.36 and 128,060.08
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Solution
The fourth proportional to 352,774.30, 529,008.36 and 128,060.08 is: 192,034.55
Step by Step Solution
- Step 1: Write the proportion equation
352,774.30 : 529,008.36 = 128,060.08 : x - Step 2: Convert to fraction form
352,774.30/529,008.36 = 128,060.08/x - Step 3: Cross multiply
352,774.30x = 529,008.36 × 128,060.08 - Step 4: Simplify right side
352,774.30x = 67,744,852,902.27 - Step 5: Solve for x
x = 67,744,852,902.27/352,774.30 - Step 6: Final answer
x = 192,034.55
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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.