Finding the Fourth Proportional to 439,293.38, 658,703.28 and 236,997.96
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Solution
The fourth proportional to 439,293.38, 658,703.28 and 236,997.96 is: 355,369.19
Step by Step Solution
- Step 1: Write the proportion equation
439,293.38 : 658,703.28 = 236,997.96 : x - Step 2: Convert to fraction form
439,293.38/658,703.28 = 236,997.96/x - Step 3: Cross multiply
439,293.38x = 658,703.28 × 236,997.96 - Step 4: Simplify right side
439,293.38x = 156,111,333,605.31 - Step 5: Solve for x
x = 156,111,333,605.31/439,293.38 - Step 6: Final answer
x = 355,369.19
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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.