Finding the Fourth Proportional to 247,270.21, 370,951.44 and 112,343.74
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Solution
The fourth proportional to 247,270.21, 370,951.44 and 112,343.74 is: 168,536.57
Step by Step Solution
- Step 1: Write the proportion equation
247,270.21 : 370,951.44 = 112,343.74 : x - Step 2: Convert to fraction form
247,270.21/370,951.44 = 112,343.74/x - Step 3: Cross multiply
247,270.21x = 370,951.44 × 112,343.74 - Step 4: Simplify right side
247,270.21x = 41,674,072,127.99 - Step 5: Solve for x
x = 41,674,072,127.99/247,270.21 - Step 6: Final answer
x = 168,536.57
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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.