Finding the Fourth Proportional to 135,066.20, 202,307.70 and 117,570.20
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Solution
The fourth proportional to 135,066.20, 202,307.70 and 117,570.20 is: 176,101.47
Step by Step Solution
- Step 1: Write the proportion equation
135,066.20 : 202,307.70 = 117,570.20 : x - Step 2: Convert to fraction form
135,066.20/202,307.70 = 117,570.20/x - Step 3: Cross multiply
135,066.20x = 202,307.70 × 117,570.20 - Step 4: Simplify right side
135,066.20x = 23,785,356,750.54 - Step 5: Solve for x
x = 23,785,356,750.54/135,066.20 - Step 6: Final answer
x = 176,101.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.