Finding the Fourth Proportional to 383,376.66, 529,038.18 and 211,294.08
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Solution
The fourth proportional to 383,376.66, 529,038.18 and 211,294.08 is: 291,573.92
Step by Step Solution
- Step 1: Write the proportion equation
383,376.66 : 529,038.18 = 211,294.08 : x - Step 2: Convert to fraction form
383,376.66/529,038.18 = 211,294.08/x - Step 3: Cross multiply
383,376.66x = 529,038.18 × 211,294.08 - Step 4: Simplify right side
383,376.66x = 111,782,635,527.97 - Step 5: Solve for x
x = 111,782,635,527.97/383,376.66 - Step 6: Final answer
x = 291,573.92
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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.