Finding the Fourth Proportional to 159,986.19, 239,993.06 and 41,657.75
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Solution
The fourth proportional to 159,986.19, 239,993.06 and 41,657.75 is: 62,490.21
Step by Step Solution
- Step 1: Write the proportion equation
159,986.19 : 239,993.06 = 41,657.75 : x - Step 2: Convert to fraction form
159,986.19/239,993.06 = 41,657.75/x - Step 3: Cross multiply
159,986.19x = 239,993.06 × 41,657.75 - Step 4: Simplify right side
159,986.19x = 9,997,570,895.22 - Step 5: Solve for x
x = 9,997,570,895.22/159,986.19 - Step 6: Final answer
x = 62,490.21
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1.5x scale
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.