Finding the Fourth Proportional to 411,413.49, 567,803.13 and 230,135.49
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Solution
The fourth proportional to 411,413.49, 567,803.13 and 230,135.49 is: 317,616.35
Step by Step Solution
- Step 1: Write the proportion equation
411,413.49 : 567,803.13 = 230,135.49 : x - Step 2: Convert to fraction form
411,413.49/567,803.13 = 230,135.49/x - Step 3: Cross multiply
411,413.49x = 567,803.13 × 230,135.49 - Step 4: Simplify right side
411,413.49x = 130,671,648,707.07 - Step 5: Solve for x
x = 130,671,648,707.07/411,413.49 - Step 6: Final answer
x = 317,616.35
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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.