Finding the Fourth Proportional to 211,493.59, 291,854.01 and 125,503.63
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Solution
The fourth proportional to 211,493.59, 291,854.01 and 125,503.63 is: 173,190.77
Step by Step Solution
- Step 1: Write the proportion equation
211,493.59 : 291,854.01 = 125,503.63 : x - Step 2: Convert to fraction form
211,493.59/291,854.01 = 125,503.63/x - Step 3: Cross multiply
211,493.59x = 291,854.01 × 125,503.63 - Step 4: Simplify right side
211,493.59x = 36,628,737,685.06 - Step 5: Solve for x
x = 36,628,737,685.06/211,493.59 - Step 6: Final answer
x = 173,190.77
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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.