Finding the Fourth Proportional to 209,020.05, 288,437.99 and 118,376.66
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Solution
The fourth proportional to 209,020.05, 288,437.99 and 118,376.66 is: 163,354.31
Step by Step Solution
- Step 1: Write the proportion equation
209,020.05 : 288,437.99 = 118,376.66 : x - Step 2: Convert to fraction form
209,020.05/288,437.99 = 118,376.66/x - Step 3: Cross multiply
209,020.05x = 288,437.99 × 118,376.66 - Step 4: Simplify right side
209,020.05x = 34,144,326,002.53 - Step 5: Solve for x
x = 34,144,326,002.53/209,020.05 - Step 6: Final answer
x = 163,354.31
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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.