Finding the Fourth Proportional to 214,782.64, 296,432.36 and 154,552.66
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Solution
The fourth proportional to 214,782.64, 296,432.36 and 154,552.66 is: 213,305.92
Step by Step Solution
- Step 1: Write the proportion equation
214,782.64 : 296,432.36 = 154,552.66 : x - Step 2: Convert to fraction form
214,782.64/296,432.36 = 154,552.66/x - Step 3: Cross multiply
214,782.64x = 296,432.36 × 154,552.66 - Step 4: Simplify right side
214,782.64x = 45,814,408,813.81 - Step 5: Solve for x
x = 45,814,408,813.81/214,782.64 - Step 6: Final answer
x = 213,305.92
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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.