Finding the Fourth Proportional to 318,536.08, 477,788.04 and 118,840.84
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Solution
The fourth proportional to 318,536.08, 477,788.04 and 118,840.84 is: 178,255.26
Step by Step Solution
- Step 1: Write the proportion equation
318,536.08 : 477,788.04 = 118,840.84 : x - Step 2: Convert to fraction form
318,536.08/477,788.04 = 118,840.84/x - Step 3: Cross multiply
318,536.08x = 477,788.04 × 118,840.84 - Step 4: Simplify right side
318,536.08x = 56,780,732,015.55 - Step 5: Solve for x
x = 56,780,732,015.55/318,536.08 - Step 6: Final answer
x = 178,255.26
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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.