Finding the Fourth Proportional to 154,652.40, 213,523.14 and 118,778.28
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Solution
The fourth proportional to 154,652.40, 213,523.14 and 118,778.28 is: 163,993.00
Step by Step Solution
- Step 1: Write the proportion equation
154,652.40 : 213,523.14 = 118,778.28 : x - Step 2: Convert to fraction form
154,652.40/213,523.14 = 118,778.28/x - Step 3: Cross multiply
154,652.40x = 213,523.14 × 118,778.28 - Step 4: Simplify right side
154,652.40x = 25,361,911,309.40 - Step 5: Solve for x
x = 25,361,911,309.40/154,652.40 - Step 6: Final answer
x = 163,993.00
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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.