Finding the Fourth Proportional to 145,982.58, 201,283.32 and 102,969.12
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Solution
The fourth proportional to 145,982.58, 201,283.32 and 102,969.12 is: 141,975.61
Step by Step Solution
- Step 1: Write the proportion equation
145,982.58 : 201,283.32 = 102,969.12 : x - Step 2: Convert to fraction form
145,982.58/201,283.32 = 102,969.12/x - Step 3: Cross multiply
145,982.58x = 201,283.32 × 102,969.12 - Step 4: Simplify right side
145,982.58x = 20,725,966,331.08 - Step 5: Solve for x
x = 20,725,966,331.08/145,982.58 - Step 6: Final answer
x = 141,975.61
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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.