Finding the Fourth Proportional to 323,282.18, 484,982.09 and 133,639.55
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Solution
The fourth proportional to 323,282.18, 484,982.09 and 133,639.55 is: 200,483.63
Step by Step Solution
- Step 1: Write the proportion equation
323,282.18 : 484,982.09 = 133,639.55 : x - Step 2: Convert to fraction form
323,282.18/484,982.09 = 133,639.55/x - Step 3: Cross multiply
323,282.18x = 484,982.09 × 133,639.55 - Step 4: Simplify right side
323,282.18x = 64,812,785,172.55 - Step 5: Solve for x
x = 64,812,785,172.55/323,282.18 - Step 6: Final answer
x = 200,483.63
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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.