Finding the Fourth Proportional to 556,939.77, 835,275.84 and 257,132.44
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Solution
The fourth proportional to 556,939.77, 835,275.84 and 257,132.44 is: 385,636.88
Step by Step Solution
- Step 1: Write the proportion equation
556,939.77 : 835,275.84 = 257,132.44 : x - Step 2: Convert to fraction form
556,939.77/835,275.84 = 257,132.44/x - Step 3: Cross multiply
556,939.77x = 835,275.84 × 257,132.44 - Step 4: Simplify right side
556,939.77x = 214,776,514,812.25 - Step 5: Solve for x
x = 214,776,514,812.25/556,939.77 - Step 6: Final answer
x = 385,636.88
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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.