Finding the Fourth Proportional to 108,257.67, 149,394.60 and 60,509.79
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Solution
The fourth proportional to 108,257.67, 149,394.60 and 60,509.79 is: 83,502.96
Step by Step Solution
- Step 1: Write the proportion equation
108,257.67 : 149,394.60 = 60,509.79 : x - Step 2: Convert to fraction form
108,257.67/149,394.60 = 60,509.79/x - Step 3: Cross multiply
108,257.67x = 149,394.60 × 60,509.79 - Step 4: Simplify right side
108,257.67x = 9,039,835,873.13 - Step 5: Solve for x
x = 9,039,835,873.13/108,257.67 - Step 6: Final answer
x = 83,502.96
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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.