Finding the Fourth Proportional to 187,370.52, 258,564.76 and 106,823.98
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Solution
The fourth proportional to 187,370.52, 258,564.76 and 106,823.98 is: 147,413.35
Step by Step Solution
- Step 1: Write the proportion equation
187,370.52 : 258,564.76 = 106,823.98 : x - Step 2: Convert to fraction form
187,370.52/258,564.76 = 106,823.98/x - Step 3: Cross multiply
187,370.52x = 258,564.76 × 106,823.98 - Step 4: Simplify right side
187,370.52x = 27,620,916,750.94 - Step 5: Solve for x
x = 27,620,916,750.94/187,370.52 - Step 6: Final answer
x = 147,413.35
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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.