Finding the Fourth Proportional to 217,415.20, 326,122.80 and 97,471.93
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Solution
The fourth proportional to 217,415.20, 326,122.80 and 97,471.93 is: 146,207.90
Step by Step Solution
- Step 1: Write the proportion equation
217,415.20 : 326,122.80 = 97,471.93 : x - Step 2: Convert to fraction form
217,415.20/326,122.80 = 97,471.93/x - Step 3: Cross multiply
217,415.20x = 326,122.80 × 97,471.93 - Step 4: Simplify right side
217,415.20x = 31,787,818,733.00 - Step 5: Solve for x
x = 31,787,818,733.00/217,415.20 - Step 6: Final answer
x = 146,207.90
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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.