Finding the Fourth Proportional to 231,216.66, 346,852.77 and 81,425.99
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Solution
The fourth proportional to 231,216.66, 346,852.77 and 81,425.99 is: 122,148.76
Step by Step Solution
- Step 1: Write the proportion equation
231,216.66 : 346,852.77 = 81,425.99 : x - Step 2: Convert to fraction form
231,216.66/346,852.77 = 81,425.99/x - Step 3: Cross multiply
231,216.66x = 346,852.77 × 81,425.99 - Step 4: Simplify right side
231,216.66x = 28,242,828,447.23 - Step 5: Solve for x
x = 28,242,828,447.23/231,216.66 - Step 6: Final answer
x = 122,148.76
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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.