Finding the Fourth Proportional to 208,383.99, 312,234.26 and 88,345.02
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Solution
The fourth proportional to 208,383.99, 312,234.26 and 88,345.02 is: 132,372.65
Step by Step Solution
- Step 1: Write the proportion equation
208,383.99 : 312,234.26 = 88,345.02 : x - Step 2: Convert to fraction form
208,383.99/312,234.26 = 88,345.02/x - Step 3: Cross multiply
208,383.99x = 312,234.26 × 88,345.02 - Step 4: Simplify right side
208,383.99x = 27,584,341,502.66 - Step 5: Solve for x
x = 27,584,341,502.66/208,383.99 - Step 6: Final answer
x = 132,372.65
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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.