Finding the Fourth Proportional to 470,346.16, 648,460.06 and 339,413.94
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Solution
The fourth proportional to 470,346.16, 648,460.06 and 339,413.94 is: 467,945.53
Step by Step Solution
- Step 1: Write the proportion equation
470,346.16 : 648,460.06 = 339,413.94 : x - Step 2: Convert to fraction form
470,346.16/648,460.06 = 339,413.94/x - Step 3: Cross multiply
470,346.16x = 648,460.06 × 339,413.94 - Step 4: Simplify right side
470,346.16x = 220,096,383,897.24 - Step 5: Solve for x
x = 220,096,383,897.24/470,346.16 - Step 6: Final answer
x = 467,945.53
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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.