Finding the Fourth Proportional to 395,412.24, 545,647.26 and 234,282.12
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Solution
The fourth proportional to 395,412.24, 545,647.26 and 234,282.12 is: 323,296.51
Step by Step Solution
- Step 1: Write the proportion equation
395,412.24 : 545,647.26 = 234,282.12 : x - Step 2: Convert to fraction form
395,412.24/545,647.26 = 234,282.12/x - Step 3: Cross multiply
395,412.24x = 545,647.26 × 234,282.12 - Step 4: Simplify right side
395,412.24x = 127,835,396,844.99 - Step 5: Solve for x
x = 127,835,396,844.99/395,412.24 - Step 6: Final answer
x = 323,296.51
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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.