Finding the Fourth Proportional to 381,239.13, 526,173.08 and 211,527.93
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Solution
The fourth proportional to 381,239.13, 526,173.08 and 211,527.93 is: 291,943.54
Step by Step Solution
- Step 1: Write the proportion equation
381,239.13 : 526,173.08 = 211,527.93 : x - Step 2: Convert to fraction form
381,239.13/526,173.08 = 211,527.93/x - Step 3: Cross multiply
381,239.13x = 526,173.08 × 211,527.93 - Step 4: Simplify right side
381,239.13x = 111,300,301,376.49 - Step 5: Solve for x
x = 111,300,301,376.49/381,239.13 - Step 6: Final answer
x = 291,943.54
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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.