Finding the Fourth Proportional to 345,969.36, 518,984.28 and 96,652.08
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Solution
The fourth proportional to 345,969.36, 518,984.28 and 96,652.08 is: 144,986.57
Step by Step Solution
- Step 1: Write the proportion equation
345,969.36 : 518,984.28 = 96,652.08 : x - Step 2: Convert to fraction form
345,969.36/518,984.28 = 96,652.08/x - Step 3: Cross multiply
345,969.36x = 518,984.28 × 96,652.08 - Step 4: Simplify right side
345,969.36x = 50,160,910,149.30 - Step 5: Solve for x
x = 50,160,910,149.30/345,969.36 - Step 6: Final answer
x = 144,986.57
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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.