Finding the Fourth Proportional to 381,207.06, 526,068.27 and 211,444.02
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Solution
The fourth proportional to 381,207.06, 526,068.27 and 211,444.02 is: 291,794.15
Step by Step Solution
- Step 1: Write the proportion equation
381,207.06 : 526,068.27 = 211,444.02 : x - Step 2: Convert to fraction form
381,207.06/526,068.27 = 211,444.02/x - Step 3: Cross multiply
381,207.06x = 526,068.27 × 211,444.02 - Step 4: Simplify right side
381,207.06x = 111,233,989,803.25 - Step 5: Solve for x
x = 111,233,989,803.25/381,207.06 - Step 6: Final answer
x = 291,794.15
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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.