Finding the Fourth Proportional to 285,341.05, 427,430.26 and 135,125.88
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Solution
The fourth proportional to 285,341.05, 427,430.26 and 135,125.88 is: 202,413.53
Step by Step Solution
- Step 1: Write the proportion equation
285,341.05 : 427,430.26 = 135,125.88 : x - Step 2: Convert to fraction form
285,341.05/427,430.26 = 135,125.88/x - Step 3: Cross multiply
285,341.05x = 427,430.26 × 135,125.88 - Step 4: Simplify right side
285,341.05x = 57,756,890,021.13 - Step 5: Solve for x
x = 57,756,890,021.13/285,341.05 - Step 6: Final answer
x = 202,413.53
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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.