Finding the Fourth Proportional to 274,831.84, 379,193.70 and 178,064.92
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Solution
The fourth proportional to 274,831.84, 379,193.70 and 178,064.92 is: 245,681.49
Step by Step Solution
- Step 1: Write the proportion equation
274,831.84 : 379,193.70 = 178,064.92 : x - Step 2: Convert to fraction form
274,831.84/379,193.70 = 178,064.92/x - Step 3: Cross multiply
274,831.84x = 379,193.70 × 178,064.92 - Step 4: Simplify right side
274,831.84x = 67,521,095,855.00 - Step 5: Solve for x
x = 67,521,095,855.00/274,831.84 - Step 6: Final answer
x = 245,681.49
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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.