Finding the Fourth Proportional to 556,979.14, 835,512.86 and 157,622.41
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Solution
The fourth proportional to 556,979.14, 835,512.86 and 157,622.41 is: 236,446.11
Step by Step Solution
- Step 1: Write the proportion equation
556,979.14 : 835,512.86 = 157,622.41 : x - Step 2: Convert to fraction form
556,979.14/835,512.86 = 157,622.41/x - Step 3: Cross multiply
556,979.14x = 835,512.86 × 157,622.41 - Step 4: Simplify right side
556,979.14x = 131,695,550,579.19 - Step 5: Solve for x
x = 131,695,550,579.19/556,979.14 - Step 6: Final answer
x = 236,446.11
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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.