Finding the Fourth Proportional to 145,087.06, 217,750.53 and 74,062.18
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Solution
The fourth proportional to 145,087.06, 217,750.53 and 74,062.18 is: 111,154.50
Step by Step Solution
- Step 1: Write the proportion equation
145,087.06 : 217,750.53 = 74,062.18 : x - Step 2: Convert to fraction form
145,087.06/217,750.53 = 74,062.18/x - Step 3: Cross multiply
145,087.06x = 217,750.53 × 74,062.18 - Step 4: Simplify right side
145,087.06x = 16,127,078,947.96 - Step 5: Solve for x
x = 16,127,078,947.96/145,087.06 - Step 6: Final answer
x = 111,154.50
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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.