Finding the Fourth Proportional to 634,161.83, 875,142.14 and 347,700.47
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Solution
The fourth proportional to 634,161.83, 875,142.14 and 347,700.47 is: 479,825.99
Step by Step Solution
- Step 1: Write the proportion equation
634,161.83 : 875,142.14 = 347,700.47 : x - Step 2: Convert to fraction form
634,161.83/875,142.14 = 347,700.47/x - Step 3: Cross multiply
634,161.83x = 875,142.14 × 347,700.47 - Step 4: Simplify right side
634,161.83x = 304,287,327,280.59 - Step 5: Solve for x
x = 304,287,327,280.59/634,161.83 - Step 6: Final answer
x = 479,825.99
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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.