Finding the Fourth Proportional to 245,438.64, 367,676.82 and 127,187.55
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Solution
The fourth proportional to 245,438.64, 367,676.82 and 127,187.55 is: 190,532.00
Step by Step Solution
- Step 1: Write the proportion equation
245,438.64 : 367,676.82 = 127,187.55 : x - Step 2: Convert to fraction form
245,438.64/367,676.82 = 127,187.55/x - Step 3: Cross multiply
245,438.64x = 367,676.82 × 127,187.55 - Step 4: Simplify right side
245,438.64x = 46,763,913,927.59 - Step 5: Solve for x
x = 46,763,913,927.59/245,438.64 - Step 6: Final answer
x = 190,532.00
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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.