Finding the Fourth Proportional to 257,295.51, 386,048.97 and 107,567.42
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Solution
The fourth proportional to 257,295.51, 386,048.97 and 107,567.42 is: 161,395.31
Step by Step Solution
- Step 1: Write the proportion equation
257,295.51 : 386,048.97 = 107,567.42 : x - Step 2: Convert to fraction form
257,295.51/386,048.97 = 107,567.42/x - Step 3: Cross multiply
257,295.51x = 386,048.97 × 107,567.42 - Step 4: Simplify right side
257,295.51x = 41,526,289,766.31 - Step 5: Solve for x
x = 41,526,289,766.31/257,295.51 - Step 6: Final answer
x = 161,395.31
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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.