Finding the Fourth Proportional to 397,713.36, 597,157.56 and 265,417.68
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Solution
The fourth proportional to 397,713.36, 597,157.56 and 265,417.68 is: 398,518.61
Step by Step Solution
- Step 1: Write the proportion equation
397,713.36 : 597,157.56 = 265,417.68 : x - Step 2: Convert to fraction form
397,713.36/597,157.56 = 265,417.68/x - Step 3: Cross multiply
397,713.36x = 597,157.56 × 265,417.68 - Step 4: Simplify right side
397,713.36x = 158,496,174,169.66 - Step 5: Solve for x
x = 158,496,174,169.66/397,713.36 - Step 6: Final answer
x = 398,518.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.