Finding the Fourth Proportional to 554,941.81, 832,413.12 and 134,218.09
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Solution
The fourth proportional to 554,941.81, 832,413.12 and 134,218.09 is: 201,327.23
Step by Step Solution
- Step 1: Write the proportion equation
554,941.81 : 832,413.12 = 134,218.09 : x - Step 2: Convert to fraction form
554,941.81/832,413.12 = 134,218.09/x - Step 3: Cross multiply
554,941.81x = 832,413.12 × 134,218.09 - Step 4: Simplify right side
554,941.81x = 111,724,899,057.34 - Step 5: Solve for x
x = 111,724,899,057.34/554,941.81 - Step 6: Final answer
x = 201,327.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.