Finding the Fourth Proportional to 134,981.42, 202,393.76 and 46,211.09
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Solution
The fourth proportional to 134,981.42, 202,393.76 and 46,211.09 is: 69,289.80
Step by Step Solution
- Step 1: Write the proportion equation
134,981.42 : 202,393.76 = 46,211.09 : x - Step 2: Convert to fraction form
134,981.42/202,393.76 = 46,211.09/x - Step 3: Cross multiply
134,981.42x = 202,393.76 × 46,211.09 - Step 4: Simplify right side
134,981.42x = 9,352,835,015.77 - Step 5: Solve for x
x = 9,352,835,015.77/134,981.42 - Step 6: Final answer
x = 69,289.80
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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.