Finding the Fourth Proportional to 259,397.12, 358,134.60 and 162,733.48
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Solution
The fourth proportional to 259,397.12, 358,134.60 and 162,733.48 is: 224,676.70
Step by Step Solution
- Step 1: Write the proportion equation
259,397.12 : 358,134.60 = 162,733.48 : x - Step 2: Convert to fraction form
259,397.12/358,134.60 = 162,733.48/x - Step 3: Cross multiply
259,397.12x = 358,134.60 × 162,733.48 - Step 4: Simplify right side
259,397.12x = 58,280,489,766.41 - Step 5: Solve for x
x = 58,280,489,766.41/259,397.12 - Step 6: Final answer
x = 224,676.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.