Finding the Fourth Proportional to 145,918.92, 201,337.35 and 88,588.38
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Solution
The fourth proportional to 145,918.92, 201,337.35 and 88,588.38 is: 122,233.29
Step by Step Solution
- Step 1: Write the proportion equation
145,918.92 : 201,337.35 = 88,588.38 : x - Step 2: Convert to fraction form
145,918.92/201,337.35 = 88,588.38/x - Step 3: Cross multiply
145,918.92x = 201,337.35 × 88,588.38 - Step 4: Simplify right side
145,918.92x = 17,836,150,092.80 - Step 5: Solve for x
x = 17,836,150,092.80/145,918.92 - Step 6: Final answer
x = 122,233.29
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1.5x scale
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.