Finding the Fourth Proportional to 465,117.60, 641,854.11 and 261,170.13
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Solution
The fourth proportional to 465,117.60, 641,854.11 and 261,170.13 is: 360,410.19
Step by Step Solution
- Step 1: Write the proportion equation
465,117.60 : 641,854.11 = 261,170.13 : x - Step 2: Convert to fraction form
465,117.60/641,854.11 = 261,170.13/x - Step 3: Cross multiply
465,117.60x = 641,854.11 × 261,170.13 - Step 4: Simplify right side
465,117.60x = 167,633,121,349.73 - Step 5: Solve for x
x = 167,633,121,349.73/465,117.60 - Step 6: Final answer
x = 360,410.19
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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.