Finding the Fourth Proportional to 131,485.08, 197,402.60 and 69,199.32
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Solution
The fourth proportional to 131,485.08, 197,402.60 and 69,199.32 is: 103,891.07
Step by Step Solution
- Step 1: Write the proportion equation
131,485.08 : 197,402.60 = 69,199.32 : x - Step 2: Convert to fraction form
131,485.08/197,402.60 = 69,199.32/x - Step 3: Cross multiply
131,485.08x = 197,402.60 × 69,199.32 - Step 4: Simplify right side
131,485.08x = 13,660,125,686.23 - Step 5: Solve for x
x = 13,660,125,686.23/131,485.08 - Step 6: Final answer
x = 103,891.07
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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.