Finding the Fourth Proportional to 399,022.20, 596,805.30 and 357,204.60
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Solution
The fourth proportional to 399,022.20, 596,805.30 and 357,204.60 is: 534,259.99
Step by Step Solution
- Step 1: Write the proportion equation
399,022.20 : 596,805.30 = 357,204.60 : x - Step 2: Convert to fraction form
399,022.20/596,805.30 = 357,204.60/x - Step 3: Cross multiply
399,022.20x = 596,805.30 × 357,204.60 - Step 4: Simplify right side
399,022.20x = 213,181,598,464.38 - Step 5: Solve for x
x = 213,181,598,464.38/399,022.20 - Step 6: Final answer
x = 534,259.99
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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.