Finding the Fourth Proportional to 395,243.69, 592,533.28 and 320,177.68
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Solution
The fourth proportional to 395,243.69, 592,533.28 and 320,177.68 is: 479,997.37
Step by Step Solution
- Step 1: Write the proportion equation
395,243.69 : 592,533.28 = 320,177.68 : x - Step 2: Convert to fraction form
395,243.69/592,533.28 = 320,177.68/x - Step 3: Cross multiply
395,243.69x = 592,533.28 × 320,177.68 - Step 4: Simplify right side
395,243.69x = 189,715,930,913.19 - Step 5: Solve for x
x = 189,715,930,913.19/395,243.69 - Step 6: Final answer
x = 479,997.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.