Finding the Fourth Proportional to 248,000.91, 342,243.68 and 134,826.09
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Solution
The fourth proportional to 248,000.91, 342,243.68 and 134,826.09 is: 186,061.32
Step by Step Solution
- Step 1: Write the proportion equation
248,000.91 : 342,243.68 = 134,826.09 : x - Step 2: Convert to fraction form
248,000.91/342,243.68 = 134,826.09/x - Step 3: Cross multiply
248,000.91x = 342,243.68 × 134,826.09 - Step 4: Simplify right side
248,000.91x = 46,143,376,002.46 - Step 5: Solve for x
x = 46,143,376,002.46/248,000.91 - Step 6: Final answer
x = 186,061.32
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1.5x scale
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.