Finding the Fourth Proportional to 610,347.26, 842,366.37 and 338,475.62
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Solution
The fourth proportional to 610,347.26, 842,366.37 and 338,475.62 is: 467,144.68
Step by Step Solution
- Step 1: Write the proportion equation
610,347.26 : 842,366.37 = 338,475.62 : x - Step 2: Convert to fraction form
610,347.26/842,366.37 = 338,475.62/x - Step 3: Cross multiply
610,347.26x = 842,366.37 × 338,475.62 - Step 4: Simplify right side
610,347.26x = 285,120,475,141.07 - Step 5: Solve for x
x = 285,120,475,141.07/610,347.26 - Step 6: Final answer
x = 467,144.68
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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.