Finding the Fourth Proportional to 296,478.51, 409,137.48 and 160,508.99
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Solution
The fourth proportional to 296,478.51, 409,137.48 and 160,508.99 is: 221,500.85
Step by Step Solution
- Step 1: Write the proportion equation
296,478.51 : 409,137.48 = 160,508.99 : x - Step 2: Convert to fraction form
296,478.51/409,137.48 = 160,508.99/x - Step 3: Cross multiply
296,478.51x = 409,137.48 × 160,508.99 - Step 4: Simplify right side
296,478.51x = 65,670,241,640.26 - Step 5: Solve for x
x = 65,670,241,640.26/296,478.51 - Step 6: Final answer
x = 221,500.85
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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.