Finding the Fourth Proportional to 105,829.74, 158,742.18 and 26,944.05
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Solution
The fourth proportional to 105,829.74, 158,742.18 and 26,944.05 is: 40,415.46
Step by Step Solution
- Step 1: Write the proportion equation
105,829.74 : 158,742.18 = 26,944.05 : x - Step 2: Convert to fraction form
105,829.74/158,742.18 = 26,944.05/x - Step 3: Cross multiply
105,829.74x = 158,742.18 × 26,944.05 - Step 4: Simplify right side
105,829.74x = 4,277,157,235.03 - Step 5: Solve for x
x = 4,277,157,235.03/105,829.74 - Step 6: Final answer
x = 40,415.46
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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.