Finding the Fourth Proportional to 131,480.08, 197,395.08 and 69,194.32
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Solution
The fourth proportional to 131,480.08, 197,395.08 and 69,194.32 is: 103,883.55
Step by Step Solution
- Step 1: Write the proportion equation
131,480.08 : 197,395.08 = 69,194.32 : x - Step 2: Convert to fraction form
131,480.08/197,395.08 = 69,194.32/x - Step 3: Cross multiply
131,480.08x = 197,395.08 × 69,194.32 - Step 4: Simplify right side
131,480.08x = 13,658,617,578.98 - Step 5: Solve for x
x = 13,658,617,578.98/131,480.08 - Step 6: Final answer
x = 103,883.55
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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.