Finding the Fourth Proportional to 345,312.57, 476,539.55 and 192,361.08
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Solution
The fourth proportional to 345,312.57, 476,539.55 and 192,361.08 is: 265,462.86
Step by Step Solution
- Step 1: Write the proportion equation
345,312.57 : 476,539.55 = 192,361.08 : x - Step 2: Convert to fraction form
345,312.57/476,539.55 = 192,361.08/x - Step 3: Cross multiply
345,312.57x = 476,539.55 × 192,361.08 - Step 4: Simplify right side
345,312.57x = 91,667,662,448.78 - Step 5: Solve for x
x = 91,667,662,448.78/345,312.57 - Step 6: Final answer
x = 265,462.86
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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.