Finding the Fourth Proportional to 412,820.14, 569,449.85 and 259,615.32
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Solution
The fourth proportional to 412,820.14, 569,449.85 and 259,615.32 is: 358,116.99
Step by Step Solution
- Step 1: Write the proportion equation
412,820.14 : 569,449.85 = 259,615.32 : x - Step 2: Convert to fraction form
412,820.14/569,449.85 = 259,615.32/x - Step 3: Cross multiply
412,820.14x = 569,449.85 × 259,615.32 - Step 4: Simplify right side
412,820.14x = 147,837,905,031.70 - Step 5: Solve for x
x = 147,837,905,031.70/412,820.14 - 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.