Finding the Fourth Proportional to 201,413.02, 277,953.36 and 115,379.53
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Solution
The fourth proportional to 201,413.02, 277,953.36 and 115,379.53 is: 159,225.69
Step by Step Solution
- Step 1: Write the proportion equation
201,413.02 : 277,953.36 = 115,379.53 : x - Step 2: Convert to fraction form
201,413.02/277,953.36 = 115,379.53/x - Step 3: Cross multiply
201,413.02x = 277,953.36 × 115,379.53 - Step 4: Simplify right side
201,413.02x = 32,070,128,038.72 - Step 5: Solve for x
x = 32,070,128,038.72/201,413.02 - Step 6: Final answer
x = 159,225.69
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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.