Finding the Fourth Proportional to 440,813.49, 608,389.11 and 268,831.23
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Solution
The fourth proportional to 440,813.49, 608,389.11 and 268,831.23 is: 371,027.65
Step by Step Solution
- Step 1: Write the proportion equation
440,813.49 : 608,389.11 = 268,831.23 : x - Step 2: Convert to fraction form
440,813.49/608,389.11 = 268,831.23/x - Step 3: Cross multiply
440,813.49x = 608,389.11 × 268,831.23 - Step 4: Simplify right side
440,813.49x = 163,553,992,759.91 - Step 5: Solve for x
x = 163,553,992,759.91/440,813.49 - Step 6: Final answer
x = 371,027.65
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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.