Finding the Fourth Proportional to 148,201.80, 222,302.70 and 130,705.80
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Solution
The fourth proportional to 148,201.80, 222,302.70 and 130,705.80 is: 196,058.70
Step by Step Solution
- Step 1: Write the proportion equation
148,201.80 : 222,302.70 = 130,705.80 : x - Step 2: Convert to fraction form
148,201.80/222,302.70 = 130,705.80/x - Step 3: Cross multiply
148,201.80x = 222,302.70 × 130,705.80 - Step 4: Simplify right side
148,201.80x = 29,056,252,245.66 - Step 5: Solve for x
x = 29,056,252,245.66/148,201.80 - Step 6: Final answer
x = 196,058.70
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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.