Finding the Fourth Proportional to 461,812.06, 637,311.45 and 257,856.09
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Solution
The fourth proportional to 461,812.06, 637,311.45 and 257,856.09 is: 355,847.44
Step by Step Solution
- Step 1: Write the proportion equation
461,812.06 : 637,311.45 = 257,856.09 : x - Step 2: Convert to fraction form
461,812.06/637,311.45 = 257,856.09/x - Step 3: Cross multiply
461,812.06x = 637,311.45 × 257,856.09 - Step 4: Simplify right side
461,812.06x = 164,334,638,609.23 - Step 5: Solve for x
x = 164,334,638,609.23/461,812.06 - Step 6: Final answer
x = 355,847.44
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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.