Finding the Fourth Proportional to 205,867.83, 283,872.01 and 134,114.79
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Solution
The fourth proportional to 205,867.83, 283,872.01 and 134,114.79 is: 184,931.45
Step by Step Solution
- Step 1: Write the proportion equation
205,867.83 : 283,872.01 = 134,114.79 : x - Step 2: Convert to fraction form
205,867.83/283,872.01 = 134,114.79/x - Step 3: Cross multiply
205,867.83x = 283,872.01 × 134,114.79 - Step 4: Simplify right side
205,867.83x = 38,071,435,988.73 - Step 5: Solve for x
x = 38,071,435,988.73/205,867.83 - Step 6: Final answer
x = 184,931.45
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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.