Finding the Fourth Proportional to 149,331.60, 223,669.35 and 129,648.60
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Solution
The fourth proportional to 149,331.60, 223,669.35 and 129,648.60 is: 194,188.09
Step by Step Solution
- Step 1: Write the proportion equation
149,331.60 : 223,669.35 = 129,648.60 : x - Step 2: Convert to fraction form
149,331.60/223,669.35 = 129,648.60/x - Step 3: Cross multiply
149,331.60x = 223,669.35 × 129,648.60 - Step 4: Simplify right side
149,331.60x = 28,998,418,090.41 - Step 5: Solve for x
x = 28,998,418,090.41/149,331.60 - Step 6: Final answer
x = 194,188.09
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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.