Finding the Fourth Proportional to 153,481.08, 211,804.26 and 88,962.78
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Solution
The fourth proportional to 153,481.08, 211,804.26 and 88,962.78 is: 122,768.85
Step by Step Solution
- Step 1: Write the proportion equation
153,481.08 : 211,804.26 = 88,962.78 : x - Step 2: Convert to fraction form
153,481.08/211,804.26 = 88,962.78/x - Step 3: Cross multiply
153,481.08x = 211,804.26 × 88,962.78 - Step 4: Simplify right side
153,481.08x = 18,842,695,785.44 - Step 5: Solve for x
x = 18,842,695,785.44/153,481.08 - Step 6: Final answer
x = 122,768.85
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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.