Finding the Fourth Proportional to 341,991.12, 512,986.68 and 92,673.12
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Solution
The fourth proportional to 341,991.12, 512,986.68 and 92,673.12 is: 139,009.68
Step by Step Solution
- Step 1: Write the proportion equation
341,991.12 : 512,986.68 = 92,673.12 : x - Step 2: Convert to fraction form
341,991.12/512,986.68 = 92,673.12/x - Step 3: Cross multiply
341,991.12x = 512,986.68 × 92,673.12 - Step 4: Simplify right side
341,991.12x = 47,540,076,154.04 - Step 5: Solve for x
x = 47,540,076,154.04/341,991.12 - Step 6: Final answer
x = 139,009.68
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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.