Finding the Fourth Proportional to 355,903.80, 533,855.70 and 332,575.80
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Solution
The fourth proportional to 355,903.80, 533,855.70 and 332,575.80 is: 498,863.70
Step by Step Solution
- Step 1: Write the proportion equation
355,903.80 : 533,855.70 = 332,575.80 : x - Step 2: Convert to fraction form
355,903.80/533,855.70 = 332,575.80/x - Step 3: Cross multiply
355,903.80x = 533,855.70 × 332,575.80 - Step 4: Simplify right side
355,903.80x = 177,547,486,512.06 - Step 5: Solve for x
x = 177,547,486,512.06/355,903.80 - Step 6: Final answer
x = 498,863.70
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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.