Finding the Fourth Proportional to 495,660.18, 684,044.88 and 280,802.01
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Solution
The fourth proportional to 495,660.18, 684,044.88 and 280,802.01 is: 387,525.94
Step by Step Solution
- Step 1: Write the proportion equation
495,660.18 : 684,044.88 = 280,802.01 : x - Step 2: Convert to fraction form
495,660.18/684,044.88 = 280,802.01/x - Step 3: Cross multiply
495,660.18x = 684,044.88 × 280,802.01 - Step 4: Simplify right side
495,660.18x = 192,081,177,234.21 - Step 5: Solve for x
x = 192,081,177,234.21/495,660.18 - Step 6: Final answer
x = 387,525.94
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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.