Finding the Fourth Proportional to 470,089.13, 705,413.88 and 170,593.09
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Solution
The fourth proportional to 470,089.13, 705,413.88 and 170,593.09 is: 255,991.31
Step by Step Solution
- Step 1: Write the proportion equation
470,089.13 : 705,413.88 = 170,593.09 : x - Step 2: Convert to fraction form
470,089.13/705,413.88 = 170,593.09/x - Step 3: Cross multiply
470,089.13x = 705,413.88 × 170,593.09 - Step 4: Simplify right side
470,089.13x = 120,338,731,754.55 - Step 5: Solve for x
x = 120,338,731,754.55/470,089.13 - Step 6: Final answer
x = 255,991.31
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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.