Finding the Fourth Proportional to 351,252.36, 484,782.84 and 230,742.72
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Solution
The fourth proportional to 351,252.36, 484,782.84 and 230,742.72 is: 318,460.81
Step by Step Solution
- Step 1: Write the proportion equation
351,252.36 : 484,782.84 = 230,742.72 : x - Step 2: Convert to fraction form
351,252.36/484,782.84 = 230,742.72/x - Step 3: Cross multiply
351,252.36x = 484,782.84 × 230,742.72 - Step 4: Simplify right side
351,252.36x = 111,860,111,110.93 - Step 5: Solve for x
x = 111,860,111,110.93/351,252.36 - Step 6: Final answer
x = 318,460.81
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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.