Finding the Fourth Proportional to 354,927.80, 532,391.70 and 214,959.80
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Solution
The fourth proportional to 354,927.80, 532,391.70 and 214,959.80 is: 322,439.70
Step by Step Solution
- Step 1: Write the proportion equation
354,927.80 : 532,391.70 = 214,959.80 : x - Step 2: Convert to fraction form
354,927.80/532,391.70 = 214,959.80/x - Step 3: Cross multiply
354,927.80x = 532,391.70 × 214,959.80 - Step 4: Simplify right side
354,927.80x = 114,442,813,353.66 - Step 5: Solve for x
x = 114,442,813,353.66/354,927.80 - Step 6: Final answer
x = 322,439.70
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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.