Finding the Fourth Proportional to 461,138.39, 691,655.62 and 124,203.70
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Solution
The fourth proportional to 461,138.39, 691,655.62 and 124,203.70 is: 186,291.55
Step by Step Solution
- Step 1: Write the proportion equation
461,138.39 : 691,655.62 = 124,203.70 : x - Step 2: Convert to fraction form
461,138.39/691,655.62 = 124,203.70/x - Step 3: Cross multiply
461,138.39x = 691,655.62 × 124,203.70 - Step 4: Simplify right side
461,138.39x = 85,906,183,671.52 - Step 5: Solve for x
x = 85,906,183,671.52/461,138.39 - Step 6: Final answer
x = 186,291.55
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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.