Finding the Fourth Proportional to 461,110.41, 636,390.68 and 279,811.89
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Solution
The fourth proportional to 461,110.41, 636,390.68 and 279,811.89 is: 386,175.79
Step by Step Solution
- Step 1: Write the proportion equation
461,110.41 : 636,390.68 = 279,811.89 : x - Step 2: Convert to fraction form
461,110.41/636,390.68 = 279,811.89/x - Step 3: Cross multiply
461,110.41x = 636,390.68 × 279,811.89 - Step 4: Simplify right side
461,110.41x = 178,069,677,550.13 - Step 5: Solve for x
x = 178,069,677,550.13/461,110.41 - Step 6: Final answer
x = 386,175.79
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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.