Finding the Fourth Proportional to 306,541.19, 423,085.34 and 202,992.82
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Solution
The fourth proportional to 306,541.19, 423,085.34 and 202,992.82 is: 280,168.83
Step by Step Solution
- Step 1: Write the proportion equation
306,541.19 : 423,085.34 = 202,992.82 : x - Step 2: Convert to fraction form
306,541.19/423,085.34 = 202,992.82/x - Step 3: Cross multiply
306,541.19x = 423,085.34 × 202,992.82 - Step 4: Simplify right side
306,541.19x = 85,883,285,717.03 - Step 5: Solve for x
x = 85,883,285,717.03/306,541.19 - Step 6: Final answer
x = 280,168.83
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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.