Finding the Fourth Proportional to 318,125.64, 477,251.64 and 118,447.68
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Solution
The fourth proportional to 318,125.64, 477,251.64 and 118,447.68 is: 177,695.04
Step by Step Solution
- Step 1: Write the proportion equation
318,125.64 : 477,251.64 = 118,447.68 : x - Step 2: Convert to fraction form
318,125.64/477,251.64 = 118,447.68/x - Step 3: Cross multiply
318,125.64x = 477,251.64 × 118,447.68 - Step 4: Simplify right side
318,125.64x = 56,529,349,534.20 - Step 5: Solve for x
x = 56,529,349,534.20/318,125.64 - Step 6: Final answer
x = 177,695.04
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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.