Finding the Fourth Proportional to 228,870.64, 343,305.99 and 71,099.08
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Solution
The fourth proportional to 228,870.64, 343,305.99 and 71,099.08 is: 106,648.63
Step by Step Solution
- Step 1: Write the proportion equation
228,870.64 : 343,305.99 = 71,099.08 : x - Step 2: Convert to fraction form
228,870.64/343,305.99 = 71,099.08/x - Step 3: Cross multiply
228,870.64x = 343,305.99 × 71,099.08 - Step 4: Simplify right side
228,870.64x = 24,408,740,047.49 - Step 5: Solve for x
x = 24,408,740,047.49/228,870.64 - Step 6: Final answer
x = 106,648.63
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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.