Finding the Fourth Proportional to 383,257.44, 528,895.17 and 211,177.80
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Solution
The fourth proportional to 383,257.44, 528,895.17 and 211,177.80 is: 291,425.31
Step by Step Solution
- Step 1: Write the proportion equation
383,257.44 : 528,895.17 = 211,177.80 : x - Step 2: Convert to fraction form
383,257.44/528,895.17 = 211,177.80/x - Step 3: Cross multiply
383,257.44x = 528,895.17 × 211,177.80 - Step 4: Simplify right side
383,257.44x = 111,690,918,431.23 - Step 5: Solve for x
x = 111,690,918,431.23/383,257.44 - Step 6: Final answer
x = 291,425.31
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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.