Finding the Fourth Proportional to 276,201.43, 413,924.14 and 208,677.95
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Solution
The fourth proportional to 276,201.43, 413,924.14 and 208,677.95 is: 312,731.33
Step by Step Solution
- Step 1: Write the proportion equation
276,201.43 : 413,924.14 = 208,677.95 : x - Step 2: Convert to fraction form
276,201.43/413,924.14 = 208,677.95/x - Step 3: Cross multiply
276,201.43x = 413,924.14 × 208,677.95 - Step 4: Simplify right side
276,201.43x = 86,376,840,990.71 - Step 5: Solve for x
x = 86,376,840,990.71/276,201.43 - Step 6: Final answer
x = 312,731.33
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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.