Finding the Fourth Proportional to 401,572.93, 602,379.36 and 131,728.26
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Solution
The fourth proportional to 401,572.93, 602,379.36 and 131,728.26 is: 197,598.94
Step by Step Solution
- Step 1: Write the proportion equation
401,572.93 : 602,379.36 = 131,728.26 : x - Step 2: Convert to fraction form
401,572.93/602,379.36 = 131,728.26/x - Step 3: Cross multiply
401,572.93x = 602,379.36 × 131,728.26 - Step 4: Simplify right side
401,572.93x = 79,350,384,952.71 - Step 5: Solve for x
x = 79,350,384,952.71/401,572.93 - Step 6: Final answer
x = 197,598.94
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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.