Finding the Fourth Proportional to 397,479.84, 548,532.36 and 216,202.08
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Solution
The fourth proportional to 397,479.84, 548,532.36 and 216,202.08 is: 298,364.41
Step by Step Solution
- Step 1: Write the proportion equation
397,479.84 : 548,532.36 = 216,202.08 : x - Step 2: Convert to fraction form
397,479.84/548,532.36 = 216,202.08/x - Step 3: Cross multiply
397,479.84x = 548,532.36 × 216,202.08 - Step 4: Simplify right side
397,479.84x = 118,593,837,179.31 - Step 5: Solve for x
x = 118,593,837,179.31/397,479.84 - Step 6: Final answer
x = 298,364.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.