Finding the Fourth Proportional to 209,103.08, 288,552.84 and 118,457.19
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Solution
The fourth proportional to 209,103.08, 288,552.84 and 118,457.19 is: 163,465.60
Step by Step Solution
- Step 1: Write the proportion equation
209,103.08 : 288,552.84 = 118,457.19 : x - Step 2: Convert to fraction form
209,103.08/288,552.84 = 118,457.19/x - Step 3: Cross multiply
209,103.08x = 288,552.84 × 118,457.19 - Step 4: Simplify right side
209,103.08x = 34,181,159,793.16 - Step 5: Solve for x
x = 34,181,159,793.16/209,103.08 - Step 6: Final answer
x = 163,465.60
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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.