Finding the Fourth Proportional to 163,064.88, 224,934.21 and 102,539.70
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Solution
The fourth proportional to 163,064.88, 224,934.21 and 102,539.70 is: 141,444.84
Step by Step Solution
- Step 1: Write the proportion equation
163,064.88 : 224,934.21 = 102,539.70 : x - Step 2: Convert to fraction form
163,064.88/224,934.21 = 102,539.70/x - Step 3: Cross multiply
163,064.88x = 224,934.21 × 102,539.70 - Step 4: Simplify right side
163,064.88x = 23,064,686,413.14 - Step 5: Solve for x
x = 23,064,686,413.14/163,064.88 - Step 6: Final answer
x = 141,444.84
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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.