Finding the Fourth Proportional to 239,324.22, 330,271.02 and 137,366.28
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Solution
The fourth proportional to 239,324.22, 330,271.02 and 137,366.28 is: 189,567.53
Step by Step Solution
- Step 1: Write the proportion equation
239,324.22 : 330,271.02 = 137,366.28 : x - Step 2: Convert to fraction form
239,324.22/330,271.02 = 137,366.28/x - Step 3: Cross multiply
239,324.22x = 330,271.02 × 137,366.28 - Step 4: Simplify right side
239,324.22x = 45,368,101,409.21 - Step 5: Solve for x
x = 45,368,101,409.21/239,324.22 - Step 6: Final answer
x = 189,567.53
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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.