Finding the Fourth Proportional to 183,955.67, 253,801.77 and 107,419.55
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Solution
The fourth proportional to 183,955.67, 253,801.77 and 107,419.55 is: 148,205.66
Step by Step Solution
- Step 1: Write the proportion equation
183,955.67 : 253,801.77 = 107,419.55 : x - Step 2: Convert to fraction form
183,955.67/253,801.77 = 107,419.55/x - Step 3: Cross multiply
183,955.67x = 253,801.77 × 107,419.55 - Step 4: Simplify right side
183,955.67x = 27,263,271,385.51 - Step 5: Solve for x
x = 27,263,271,385.51/183,955.67 - Step 6: Final answer
x = 148,205.66
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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.