Finding the Fourth Proportional to 276,889.84, 382,108.11 and 149,565.40
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Solution
The fourth proportional to 276,889.84, 382,108.11 and 149,565.40 is: 206,400.32
Step by Step Solution
- Step 1: Write the proportion equation
276,889.84 : 382,108.11 = 149,565.40 : x - Step 2: Convert to fraction form
276,889.84/382,108.11 = 149,565.40/x - Step 3: Cross multiply
276,889.84x = 382,108.11 × 149,565.40 - Step 4: Simplify right side
276,889.84x = 57,150,152,315.39 - Step 5: Solve for x
x = 57,150,152,315.39/276,889.84 - Step 6: Final answer
x = 206,400.32
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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.