Finding the Fourth Proportional to 556,983.14, 835,490.91 and 136,258.88
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Solution
The fourth proportional to 556,983.14, 835,490.91 and 136,258.88 is: 204,392.28
Step by Step Solution
- Step 1: Write the proportion equation
556,983.14 : 835,490.91 = 136,258.88 : x - Step 2: Convert to fraction form
556,983.14/835,490.91 = 136,258.88/x - Step 3: Cross multiply
556,983.14x = 835,490.91 × 136,258.88 - Step 4: Simplify right side
556,983.14x = 113,843,055,646.78 - Step 5: Solve for x
x = 113,843,055,646.78/556,983.14 - Step 6: Final answer
x = 204,392.28
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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.