Finding the Fourth Proportional to 397,352.07, 548,342.10 and 216,064.14
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Solution
The fourth proportional to 397,352.07, 548,342.10 and 216,064.14 is: 298,166.47
Step by Step Solution
- Step 1: Write the proportion equation
397,352.07 : 548,342.10 = 216,064.14 : x - Step 2: Convert to fraction form
397,352.07/548,342.10 = 216,064.14/x - Step 3: Cross multiply
397,352.07x = 548,342.10 × 216,064.14 - Step 4: Simplify right side
397,352.07x = 118,477,064,262.29 - Step 5: Solve for x
x = 118,477,064,262.29/397,352.07 - Step 6: Final answer
x = 298,166.47
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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.