Finding the Fourth Proportional to 307,370.99, 424,173.81 and 171,413.53
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Solution
The fourth proportional to 307,370.99, 424,173.81 and 171,413.53 is: 236,551.70
Step by Step Solution
- Step 1: Write the proportion equation
307,370.99 : 424,173.81 = 171,413.53 : x - Step 2: Convert to fraction form
307,370.99/424,173.81 = 171,413.53/x - Step 3: Cross multiply
307,370.99x = 424,173.81 × 171,413.53 - Step 4: Simplify right side
307,370.99x = 72,709,129,045.21 - Step 5: Solve for x
x = 72,709,129,045.21/307,370.99 - Step 6: Final answer
x = 236,551.70
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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.