Finding the Fourth Proportional to 461,184.75, 636,434.97 and 259,980.75
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Solution
The fourth proportional to 461,184.75, 636,434.97 and 259,980.75 is: 358,773.44
Step by Step Solution
- Step 1: Write the proportion equation
461,184.75 : 636,434.97 = 259,980.75 : x - Step 2: Convert to fraction form
461,184.75/636,434.97 = 259,980.75/x - Step 3: Cross multiply
461,184.75x = 636,434.97 × 259,980.75 - Step 4: Simplify right side
461,184.75x = 165,460,840,826.83 - Step 5: Solve for x
x = 165,460,840,826.83/461,184.75 - Step 6: Final answer
x = 358,773.44
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1.5x scale
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.