Finding the Fourth Proportional to 298,874.99, 412,444.85 and 162,908.93
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Solution
The fourth proportional to 298,874.99, 412,444.85 and 162,908.93 is: 224,812.88
Step by Step Solution
- Step 1: Write the proportion equation
298,874.99 : 412,444.85 = 162,908.93 : x - Step 2: Convert to fraction form
298,874.99/412,444.85 = 162,908.93/x - Step 3: Cross multiply
298,874.99x = 412,444.85 × 162,908.93 - Step 4: Simplify right side
298,874.99x = 67,190,946,320.74 - Step 5: Solve for x
x = 67,190,946,320.74/298,874.99 - Step 6: Final answer
x = 224,812.88
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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.