Finding the Fourth Proportional to 110,110.80, 154,258.80 and 110,110.80
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Solution
The fourth proportional to 110,110.80, 154,258.80 and 110,110.80 is: 154,258.80
Step by Step Solution
- Step 1: Write the proportion equation
110,110.80 : 154,258.80 = 110,110.80 : x - Step 2: Convert to fraction form
110,110.80/154,258.80 = 110,110.80/x - Step 3: Cross multiply
110,110.80x = 154,258.80 × 110,110.80 - Step 4: Simplify right side
110,110.80x = 16,985,559,875.04 - Step 5: Solve for x
x = 16,985,559,875.04/110,110.80 - Step 6: Final answer
x = 154,258.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.