Finding the Fourth Proportional to 381,794.01, 526,812.50 and 220,664.05
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Solution
The fourth proportional to 381,794.01, 526,812.50 and 220,664.05 is: 304,479.84
Step by Step Solution
- Step 1: Write the proportion equation
381,794.01 : 526,812.50 = 220,664.05 : x - Step 2: Convert to fraction form
381,794.01/526,812.50 = 220,664.05/x - Step 3: Cross multiply
381,794.01x = 526,812.50 × 220,664.05 - Step 4: Simplify right side
381,794.01x = 116,248,579,840.63 - Step 5: Solve for x
x = 116,248,579,840.63/381,794.01 - Step 6: Final answer
x = 304,479.84
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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.