Finding the Fourth Proportional to 234,762.66, 323,963.73 and 139,212.18
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Solution
The fourth proportional to 234,762.66, 323,963.73 and 139,212.18 is: 192,107.63
Step by Step Solution
- Step 1: Write the proportion equation
234,762.66 : 323,963.73 = 139,212.18 : x - Step 2: Convert to fraction form
234,762.66/323,963.73 = 139,212.18/x - Step 3: Cross multiply
234,762.66x = 323,963.73 × 139,212.18 - Step 4: Simplify right side
234,762.66x = 45,099,697,094.23 - Step 5: Solve for x
x = 45,099,697,094.23/234,762.66 - Step 6: Final answer
x = 192,107.63
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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.