Finding the Fourth Proportional to 358,677.24, 538,086.81 and 102,512.12
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Solution
The fourth proportional to 358,677.24, 538,086.81 and 102,512.12 is: 153,788.45
Step by Step Solution
- Step 1: Write the proportion equation
358,677.24 : 538,086.81 = 102,512.12 : x - Step 2: Convert to fraction form
358,677.24/538,086.81 = 102,512.12/x - Step 3: Cross multiply
358,677.24x = 538,086.81 × 102,512.12 - Step 4: Simplify right side
358,677.24x = 55,160,416,946.70 - Step 5: Solve for x
x = 55,160,416,946.70/358,677.24 - Step 6: Final answer
x = 153,788.45
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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.