Finding the Fourth Proportional to 219,502.19, 302,912.51 and 118,900.19
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Solution
The fourth proportional to 219,502.19, 302,912.51 and 118,900.19 is: 164,081.98
Step by Step Solution
- Step 1: Write the proportion equation
219,502.19 : 302,912.51 = 118,900.19 : x - Step 2: Convert to fraction form
219,502.19/302,912.51 = 118,900.19/x - Step 3: Cross multiply
219,502.19x = 302,912.51 × 118,900.19 - Step 4: Simplify right side
219,502.19x = 36,016,352,883.31 - Step 5: Solve for x
x = 36,016,352,883.31/219,502.19 - Step 6: Final answer
x = 164,081.98
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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.