Finding the Fourth Proportional to 339,267.63, 508,126.35 and 161,899.20
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Solution
The fourth proportional to 339,267.63, 508,126.35 and 161,899.20 is: 242,478.92
Step by Step Solution
- Step 1: Write the proportion equation
339,267.63 : 508,126.35 = 161,899.20 : x - Step 2: Convert to fraction form
339,267.63/508,126.35 = 161,899.20/x - Step 3: Cross multiply
339,267.63x = 508,126.35 × 161,899.20 - Step 4: Simplify right side
339,267.63x = 82,265,249,563.92 - Step 5: Solve for x
x = 82,265,249,563.92/339,267.63 - Step 6: Final answer
x = 242,478.92
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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.