Finding the Fourth Proportional to 209,926.06, 289,683.49 and 118,059.08
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Solution
The fourth proportional to 209,926.06, 289,683.49 and 118,059.08 is: 162,913.39
Step by Step Solution
- Step 1: Write the proportion equation
209,926.06 : 289,683.49 = 118,059.08 : x - Step 2: Convert to fraction form
209,926.06/289,683.49 = 118,059.08/x - Step 3: Cross multiply
209,926.06x = 289,683.49 × 118,059.08 - Step 4: Simplify right side
209,926.06x = 34,199,766,320.59 - Step 5: Solve for x
x = 34,199,766,320.59/209,926.06 - Step 6: Final answer
x = 162,913.39
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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.