Finding the Fourth Proportional to 81,630.08, 122,430.40 and 22,458.08
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Solution
The fourth proportional to 81,630.08, 122,430.40 and 22,458.08 is: 33,683.07
Step by Step Solution
- Step 1: Write the proportion equation
81,630.08 : 122,430.40 = 22,458.08 : x - Step 2: Convert to fraction form
81,630.08/122,430.40 = 22,458.08/x - Step 3: Cross multiply
81,630.08x = 122,430.40 × 22,458.08 - Step 4: Simplify right side
81,630.08x = 2,749,551,717.63 - Step 5: Solve for x
x = 2,749,551,717.63/81,630.08 - Step 6: Final answer
x = 33,683.07
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1.5x scale
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.