Finding the Fourth Proportional to 260,683.63, 359,733.42 and 145,951.54
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Solution
The fourth proportional to 260,683.63, 359,733.42 and 145,951.54 is: 201,407.53
Step by Step Solution
- Step 1: Write the proportion equation
260,683.63 : 359,733.42 = 145,951.54 : x - Step 2: Convert to fraction form
260,683.63/359,733.42 = 145,951.54/x - Step 3: Cross multiply
260,683.63x = 359,733.42 × 145,951.54 - Step 4: Simplify right side
260,683.63x = 52,503,645,739.13 - Step 5: Solve for x
x = 52,503,645,739.13/260,683.63 - Step 6: Final answer
x = 201,407.53
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1.5x scale
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.