Finding the Fourth Proportional to 556,963.56, 835,449.84 and 157,617.36
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Solution
The fourth proportional to 556,963.56, 835,449.84 and 157,617.36 is: 236,427.31
Step by Step Solution
- Step 1: Write the proportion equation
556,963.56 : 835,449.84 = 157,617.36 : x - Step 2: Convert to fraction form
556,963.56/835,449.84 = 157,617.36/x - Step 3: Cross multiply
556,963.56x = 835,449.84 × 157,617.36 - Step 4: Simplify right side
556,963.56x = 131,681,398,193.22 - Step 5: Solve for x
x = 131,681,398,193.22/556,963.56 - Step 6: Final answer
x = 236,427.31
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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.