Finding the Fourth Proportional to 145,922.68, 201,386.49 and 88,576.60
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Solution
The fourth proportional to 145,922.68, 201,386.49 and 88,576.60 is: 122,243.72
Step by Step Solution
- Step 1: Write the proportion equation
145,922.68 : 201,386.49 = 88,576.60 : x - Step 2: Convert to fraction form
145,922.68/201,386.49 = 88,576.60/x - Step 3: Cross multiply
145,922.68x = 201,386.49 × 88,576.60 - Step 4: Simplify right side
145,922.68x = 17,838,130,570.13 - Step 5: Solve for x
x = 17,838,130,570.13/145,922.68 - Step 6: Final answer
x = 122,243.72
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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.