Finding the Fourth Proportional to 193,153.96, 266,551.63 and 108,271.02
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Solution
The fourth proportional to 193,153.96, 266,551.63 and 108,271.02 is: 149,413.54
Step by Step Solution
- Step 1: Write the proportion equation
193,153.96 : 266,551.63 = 108,271.02 : x - Step 2: Convert to fraction form
193,153.96/266,551.63 = 108,271.02/x - Step 3: Cross multiply
193,153.96x = 266,551.63 × 108,271.02 - Step 4: Simplify right side
193,153.96x = 28,859,817,591.65 - Step 5: Solve for x
x = 28,859,817,591.65/193,153.96 - Step 6: Final answer
x = 149,413.54
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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.