Finding the Fourth Proportional to 435,221.76, 652,757.40 and 115,375.74
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Solution
The fourth proportional to 435,221.76, 652,757.40 and 115,375.74 is: 173,043.66
Step by Step Solution
- Step 1: Write the proportion equation
435,221.76 : 652,757.40 = 115,375.74 : x - Step 2: Convert to fraction form
435,221.76/652,757.40 = 115,375.74/x - Step 3: Cross multiply
435,221.76x = 652,757.40 × 115,375.74 - Step 4: Simplify right side
435,221.76x = 75,312,368,065.48 - Step 5: Solve for x
x = 75,312,368,065.48/435,221.76 - Step 6: Final answer
x = 173,043.66
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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.