Finding the Fourth Proportional to 264,430.60, 396,872.70 and 106,772.20
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Solution
The fourth proportional to 264,430.60, 396,872.70 and 106,772.20 is: 160,249.88
Step by Step Solution
- Step 1: Write the proportion equation
264,430.60 : 396,872.70 = 106,772.20 : x - Step 2: Convert to fraction form
264,430.60/396,872.70 = 106,772.20/x - Step 3: Cross multiply
264,430.60x = 396,872.70 × 106,772.20 - Step 4: Simplify right side
264,430.60x = 42,374,971,298.94 - Step 5: Solve for x
x = 42,374,971,298.94/264,430.60 - Step 6: Final answer
x = 160,249.88
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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.