Finding the Fourth Proportional to 170,865.65, 235,793.64 and 94,389.99
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Solution
The fourth proportional to 170,865.65, 235,793.64 and 94,389.99 is: 130,257.66
Step by Step Solution
- Step 1: Write the proportion equation
170,865.65 : 235,793.64 = 94,389.99 : x - Step 2: Convert to fraction form
170,865.65/235,793.64 = 94,389.99/x - Step 3: Cross multiply
170,865.65x = 235,793.64 × 94,389.99 - Step 4: Simplify right side
170,865.65x = 22,256,559,321.66 - Step 5: Solve for x
x = 22,256,559,321.66/170,865.65 - Step 6: Final answer
x = 130,257.66
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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.