Finding the Fourth Proportional to 412,820.16, 569,449.84 and 259,615.34
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Solution
The fourth proportional to 412,820.16, 569,449.84 and 259,615.34 is: 358,116.99
Step by Step Solution
- Step 1: Write the proportion equation
412,820.16 : 569,449.84 = 259,615.34 : x - Step 2: Convert to fraction form
412,820.16/569,449.84 = 259,615.34/x - Step 3: Cross multiply
412,820.16x = 569,449.84 × 259,615.34 - Step 4: Simplify right side
412,820.16x = 147,837,913,824.55 - Step 5: Solve for x
x = 147,837,913,824.55/412,820.16 - Step 6: Final answer
x = 358,116.99
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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.