Finding the Fourth Proportional to 335,934.70, 502,718.51 and 209,634.37
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Solution
The fourth proportional to 335,934.70, 502,718.51 and 209,634.37 is: 313,712.99
Step by Step Solution
- Step 1: Write the proportion equation
335,934.70 : 502,718.51 = 209,634.37 : x - Step 2: Convert to fraction form
335,934.70/502,718.51 = 209,634.37/x - Step 3: Cross multiply
335,934.70x = 502,718.51 × 209,634.37 - Step 4: Simplify right side
335,934.70x = 105,387,077,398.48 - Step 5: Solve for x
x = 105,387,077,398.48/335,934.70 - Step 6: Final answer
x = 313,712.99
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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.