Finding the Fourth Proportional to 245,072.64, 367,443.36 and 85,107.36
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Solution
The fourth proportional to 245,072.64, 367,443.36 and 85,107.36 is: 127,603.53
Step by Step Solution
- Step 1: Write the proportion equation
245,072.64 : 367,443.36 = 85,107.36 : x - Step 2: Convert to fraction form
245,072.64/367,443.36 = 85,107.36/x - Step 3: Cross multiply
245,072.64x = 367,443.36 × 85,107.36 - Step 4: Simplify right side
245,072.64x = 31,272,134,319.13 - Step 5: Solve for x
x = 31,272,134,319.13/245,072.64 - Step 6: Final answer
x = 127,603.53
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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.