Finding the Fourth Proportional to 209,281.19, 288,801.99 and 118,645.56
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Solution
The fourth proportional to 209,281.19, 288,801.99 and 118,645.56 is: 163,727.45
Step by Step Solution
- Step 1: Write the proportion equation
209,281.19 : 288,801.99 = 118,645.56 : x - Step 2: Convert to fraction form
209,281.19/288,801.99 = 118,645.56/x - Step 3: Cross multiply
209,281.19x = 288,801.99 × 118,645.56 - Step 4: Simplify right side
209,281.19x = 34,265,073,832.66 - Step 5: Solve for x
x = 34,265,073,832.66/209,281.19 - Step 6: Final answer
x = 163,727.45
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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.