Finding the Fourth Proportional to 397,878.75, 549,072.71 and 216,592.01
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Solution
The fourth proportional to 397,878.75, 549,072.71 and 216,592.01 is: 298,896.99
Step by Step Solution
- Step 1: Write the proportion equation
397,878.75 : 549,072.71 = 216,592.01 : x - Step 2: Convert to fraction form
397,878.75/549,072.71 = 216,592.01/x - Step 3: Cross multiply
397,878.75x = 549,072.71 × 216,592.01 - Step 4: Simplify right side
397,878.75x = 118,924,760,937.97 - Step 5: Solve for x
x = 118,924,760,937.97/397,878.75 - Step 6: Final answer
x = 298,896.99
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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.