Finding the Fourth Proportional to 169,411.65, 254,140.91 and 57,123.99
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Solution
The fourth proportional to 169,411.65, 254,140.91 and 57,123.99 is: 85,693.89
Step by Step Solution
- Step 1: Write the proportion equation
169,411.65 : 254,140.91 = 57,123.99 : x - Step 2: Convert to fraction form
169,411.65/254,140.91 = 57,123.99/x - Step 3: Cross multiply
169,411.65x = 254,140.91 × 57,123.99 - Step 4: Simplify right side
169,411.65x = 14,517,542,515.81 - Step 5: Solve for x
x = 14,517,542,515.81/169,411.65 - Step 6: Final answer
x = 85,693.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.