Finding the Fourth Proportional to 145,921.68, 201,385.11 and 88,575.60
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Solution
The fourth proportional to 145,921.68, 201,385.11 and 88,575.60 is: 122,242.34
Step by Step Solution
- Step 1: Write the proportion equation
145,921.68 : 201,385.11 = 88,575.60 : x - Step 2: Convert to fraction form
145,921.68/201,385.11 = 88,575.60/x - Step 3: Cross multiply
145,921.68x = 201,385.11 × 88,575.60 - Step 4: Simplify right side
145,921.68x = 17,837,806,949.32 - Step 5: Solve for x
x = 17,837,806,949.32/145,921.68 - Step 6: Final answer
x = 122,242.34
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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.