Finding the Fourth Proportional to 768,765.40, 1,153,258.36 and 236,331.08
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Solution
The fourth proportional to 768,765.40, 1,153,258.36 and 236,331.08 is: 354,530.52
Step by Step Solution
- Step 1: Write the proportion equation
768,765.40 : 1,153,258.36 = 236,331.08 : x - Step 2: Convert to fraction form
768,765.40/1,153,258.36 = 236,331.08/x - Step 3: Cross multiply
768,765.40x = 1,153,258.36 × 236,331.08 - Step 4: Simplify right side
768,765.40x = 272,550,793,737.83 - Step 5: Solve for x
x = 272,550,793,737.83/768,765.40 - Step 6: Final answer
x = 354,530.52
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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.