Finding the Fourth Proportional to 247,014.36, 340,880.27 and 133,837.11
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Solution
The fourth proportional to 247,014.36, 340,880.27 and 133,837.11 is: 184,695.45
Step by Step Solution
- Step 1: Write the proportion equation
247,014.36 : 340,880.27 = 133,837.11 : x - Step 2: Convert to fraction form
247,014.36/340,880.27 = 133,837.11/x - Step 3: Cross multiply
247,014.36x = 340,880.27 × 133,837.11 - Step 4: Simplify right side
247,014.36x = 45,622,429,523.63 - Step 5: Solve for x
x = 45,622,429,523.63/247,014.36 - Step 6: Final answer
x = 184,695.45
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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.