Finding the Fourth Proportional to 354,855.80, 532,283.70 and 319,863.80
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Solution
The fourth proportional to 354,855.80, 532,283.70 and 319,863.80 is: 479,795.70
Step by Step Solution
- Step 1: Write the proportion equation
354,855.80 : 532,283.70 = 319,863.80 : x - Step 2: Convert to fraction form
354,855.80/532,283.70 = 319,863.80/x - Step 3: Cross multiply
354,855.80x = 532,283.70 × 319,863.80 - Step 4: Simplify right side
354,855.80x = 170,258,286,960.06 - Step 5: Solve for x
x = 170,258,286,960.06/354,855.80 - Step 6: Final answer
x = 479,795.70
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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.