Finding the Fourth Proportional to 572,130.40, 857,149.02 and 267,966.08
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Solution
The fourth proportional to 572,130.40, 857,149.02 and 267,966.08 is: 401,458.94
Step by Step Solution
- Step 1: Write the proportion equation
572,130.40 : 857,149.02 = 267,966.08 : x - Step 2: Convert to fraction form
572,130.40/857,149.02 = 267,966.08/x - Step 3: Cross multiply
572,130.40x = 857,149.02 × 267,966.08 - Step 4: Simplify right side
572,130.40x = 229,686,862,865.24 - Step 5: Solve for x
x = 229,686,862,865.24/572,130.40 - Step 6: Final answer
x = 401,458.94
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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.