Finding the Fourth Proportional to 318,137.08, 439,023.36 and 174,895.84
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Solution
The fourth proportional to 318,137.08, 439,023.36 and 174,895.84 is: 241,353.06
Step by Step Solution
- Step 1: Write the proportion equation
318,137.08 : 439,023.36 = 174,895.84 : x - Step 2: Convert to fraction form
318,137.08/439,023.36 = 174,895.84/x - Step 3: Cross multiply
318,137.08x = 439,023.36 × 174,895.84 - Step 4: Simplify right side
318,137.08x = 76,783,359,326.82 - Step 5: Solve for x
x = 76,783,359,326.82/318,137.08 - Step 6: Final answer
x = 241,353.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.