Finding the Fourth Proportional to 254,218.76, 350,815.21 and 139,497.05
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Solution
The fourth proportional to 254,218.76, 350,815.21 and 139,497.05 is: 192,502.26
Step by Step Solution
- Step 1: Write the proportion equation
254,218.76 : 350,815.21 = 139,497.05 : x - Step 2: Convert to fraction form
254,218.76/350,815.21 = 139,497.05/x - Step 3: Cross multiply
254,218.76x = 350,815.21 × 139,497.05 - Step 4: Simplify right side
254,218.76x = 48,937,686,890.13 - Step 5: Solve for x
x = 48,937,686,890.13/254,218.76 - Step 6: Final answer
x = 192,502.26
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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.