Finding the Fourth Proportional to 151,276.15, 208,759.36 and 83,291.70
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Solution
The fourth proportional to 151,276.15, 208,759.36 and 83,291.70 is: 114,941.59
Step by Step Solution
- Step 1: Write the proportion equation
151,276.15 : 208,759.36 = 83,291.70 : x - Step 2: Convert to fraction form
151,276.15/208,759.36 = 83,291.70/x - Step 3: Cross multiply
151,276.15x = 208,759.36 × 83,291.70 - Step 4: Simplify right side
151,276.15x = 17,387,921,255.18 - Step 5: Solve for x
x = 17,387,921,255.18/151,276.15 - Step 6: Final answer
x = 114,941.59
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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.