Finding the Fourth Proportional to 855,176.70, 1,282,765.05 and 224,154.30
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Solution
The fourth proportional to 855,176.70, 1,282,765.05 and 224,154.30 is: 336,231.45
Step by Step Solution
- Step 1: Write the proportion equation
855,176.70 : 1,282,765.05 = 224,154.30 : x - Step 2: Convert to fraction form
855,176.70/1,282,765.05 = 224,154.30/x - Step 3: Cross multiply
855,176.70x = 1,282,765.05 × 224,154.30 - Step 4: Simplify right side
855,176.70x = 287,537,301,847.22 - Step 5: Solve for x
x = 287,537,301,847.22/855,176.70 - Step 6: Final answer
x = 336,231.45
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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.