Finding the Fourth Proportional to 375,413.73, 517,655.81 and 239,231.96
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Solution
The fourth proportional to 375,413.73, 517,655.81 and 239,231.96 is: 329,875.55
Step by Step Solution
- Step 1: Write the proportion equation
375,413.73 : 517,655.81 = 239,231.96 : x - Step 2: Convert to fraction form
375,413.73/517,655.81 = 239,231.96/x - Step 3: Cross multiply
375,413.73x = 517,655.81 × 239,231.96 - Step 4: Simplify right side
375,413.73x = 123,839,810,247.25 - Step 5: Solve for x
x = 123,839,810,247.25/375,413.73 - Step 6: Final answer
x = 329,875.55
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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.