Finding the Fourth Proportional to 531,483.16, 733,479.44 and 305,162.68
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Solution
The fourth proportional to 531,483.16, 733,479.44 and 305,162.68 is: 421,143.26
Step by Step Solution
- Step 1: Write the proportion equation
531,483.16 : 733,479.44 = 305,162.68 : x - Step 2: Convert to fraction form
531,483.16/733,479.44 = 305,162.68/x - Step 3: Cross multiply
531,483.16x = 733,479.44 × 305,162.68 - Step 4: Simplify right side
531,483.16x = 223,830,551,635.30 - Step 5: Solve for x
x = 223,830,551,635.30/531,483.16 - Step 6: Final answer
x = 421,143.26
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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.