Finding the Fourth Proportional to 855,686.70, 1,283,530.05 and 224,664.30
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Solution
The fourth proportional to 855,686.70, 1,283,530.05 and 224,664.30 is: 336,996.45
Step by Step Solution
- Step 1: Write the proportion equation
855,686.70 : 1,283,530.05 = 224,664.30 : x - Step 2: Convert to fraction form
855,686.70/1,283,530.05 = 224,664.30/x - Step 3: Cross multiply
855,686.70x = 1,283,530.05 × 224,664.30 - Step 4: Simplify right side
855,686.70x = 288,363,380,212.22 - Step 5: Solve for x
x = 288,363,380,212.22/855,686.70 - Step 6: Final answer
x = 336,996.45
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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.