Finding the Fourth Proportional to 497,535.19, 686,590.95 and 279,744.06
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Solution
The fourth proportional to 497,535.19, 686,590.95 and 279,744.06 is: 386,042.52
Step by Step Solution
- Step 1: Write the proportion equation
497,535.19 : 686,590.95 = 279,744.06 : x - Step 2: Convert to fraction form
497,535.19/686,590.95 = 279,744.06/x - Step 3: Cross multiply
497,535.19x = 686,590.95 × 279,744.06 - Step 4: Simplify right side
497,535.19x = 192,069,739,912.26 - Step 5: Solve for x
x = 192,069,739,912.26/497,535.19 - Step 6: Final answer
x = 386,042.52
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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.