Finding the Fourth Proportional to 352,989.90, 487,129.14 and 191,845.08
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Solution
The fourth proportional to 352,989.90, 487,129.14 and 191,845.08 is: 264,747.88
Step by Step Solution
- Step 1: Write the proportion equation
352,989.90 : 487,129.14 = 191,845.08 : x - Step 2: Convert to fraction form
352,989.90/487,129.14 = 191,845.08/x - Step 3: Cross multiply
352,989.90x = 487,129.14 × 191,845.08 - Step 4: Simplify right side
352,989.90x = 93,453,328,833.63 - Step 5: Solve for x
x = 93,453,328,833.63/352,989.90 - Step 6: Final answer
x = 264,747.88
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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.