Finding the Fourth Proportional to 623,760.12, 935,497.08 and 174,512.88
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Solution
The fourth proportional to 623,760.12, 935,497.08 and 174,512.88 is: 261,729.28
Step by Step Solution
- Step 1: Write the proportion equation
623,760.12 : 935,497.08 = 174,512.88 : x - Step 2: Convert to fraction form
623,760.12/935,497.08 = 174,512.88/x - Step 3: Cross multiply
623,760.12x = 935,497.08 × 174,512.88 - Step 4: Simplify right side
623,760.12x = 163,256,289,662.39 - Step 5: Solve for x
x = 163,256,289,662.39/623,760.12 - Step 6: Final answer
x = 261,729.28
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1.5x scale
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.