Finding the Fourth Proportional to 199,605.60, 299,258.64 and 120,703.68
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Solution
The fourth proportional to 199,605.60, 299,258.64 and 120,703.68 is: 180,964.96
Step by Step Solution
- Step 1: Write the proportion equation
199,605.60 : 299,258.64 = 120,703.68 : x - Step 2: Convert to fraction form
199,605.60/299,258.64 = 120,703.68/x - Step 3: Cross multiply
199,605.60x = 299,258.64 × 120,703.68 - Step 4: Simplify right side
199,605.60x = 36,121,619,119.80 - Step 5: Solve for x
x = 36,121,619,119.80/199,605.60 - Step 6: Final answer
x = 180,964.96
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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.