Finding the Fourth Proportional to 368,279.96, 508,221.32 and 207,134.94
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Solution
The fourth proportional to 368,279.96, 508,221.32 and 207,134.94 is: 285,843.39
Step by Step Solution
- Step 1: Write the proportion equation
368,279.96 : 508,221.32 = 207,134.94 : x - Step 2: Convert to fraction form
368,279.96/508,221.32 = 207,134.94/x - Step 3: Cross multiply
368,279.96x = 508,221.32 × 207,134.94 - Step 4: Simplify right side
368,279.96x = 105,270,392,624.92 - Step 5: Solve for x
x = 105,270,392,624.92/368,279.96 - Step 6: Final answer
x = 285,843.39
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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.