Finding the Fourth Proportional to 298,373.91, 411,764.87 and 183,718.70
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Solution
The fourth proportional to 298,373.91, 411,764.87 and 183,718.70 is: 253,537.27
Step by Step Solution
- Step 1: Write the proportion equation
298,373.91 : 411,764.87 = 183,718.70 : x - Step 2: Convert to fraction form
298,373.91/411,764.87 = 183,718.70/x - Step 3: Cross multiply
298,373.91x = 411,764.87 × 183,718.70 - Step 4: Simplify right side
298,373.91x = 75,648,906,622.07 - Step 5: Solve for x
x = 75,648,906,622.07/298,373.91 - Step 6: Final answer
x = 253,537.27
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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.