Finding the Fourth Proportional to 189,390.60, 284,129.58 and 56,267.88
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Solution
The fourth proportional to 189,390.60, 284,129.58 and 56,267.88 is: 84,414.80
Step by Step Solution
- Step 1: Write the proportion equation
189,390.60 : 284,129.58 = 56,267.88 : x - Step 2: Convert to fraction form
189,390.60/284,129.58 = 56,267.88/x - Step 3: Cross multiply
189,390.60x = 284,129.58 × 56,267.88 - Step 4: Simplify right side
189,390.60x = 15,987,369,111.89 - Step 5: Solve for x
x = 15,987,369,111.89/189,390.60 - Step 6: Final answer
x = 84,414.80
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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.