Finding the Fourth Proportional to 387,202.44, 534,107.82 and 243,713.40
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Solution
The fourth proportional to 387,202.44, 534,107.82 and 243,713.40 is: 336,178.75
Step by Step Solution
- Step 1: Write the proportion equation
387,202.44 : 534,107.82 = 243,713.40 : x - Step 2: Convert to fraction form
387,202.44/534,107.82 = 243,713.40/x - Step 3: Cross multiply
387,202.44x = 534,107.82 × 243,713.40 - Step 4: Simplify right side
387,202.44x = 130,169,232,778.79 - Step 5: Solve for x
x = 130,169,232,778.79/387,202.44 - Step 6: Final answer
x = 336,178.75
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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.