Finding the Fourth Proportional to 251,310.15, 346,810.67 and 136,588.80
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Solution
The fourth proportional to 251,310.15, 346,810.67 and 136,588.80 is: 188,493.99
Step by Step Solution
- Step 1: Write the proportion equation
251,310.15 : 346,810.67 = 136,588.80 : x - Step 2: Convert to fraction form
251,310.15/346,810.67 = 136,588.80/x - Step 3: Cross multiply
251,310.15x = 346,810.67 × 136,588.80 - Step 4: Simplify right side
251,310.15x = 47,370,453,242.50 - Step 5: Solve for x
x = 47,370,453,242.50/251,310.15 - Step 6: Final answer
x = 188,493.99
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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.