Finding the Fourth Proportional to 121,811.13, 182,748.15 and 37,569.39
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Solution
The fourth proportional to 121,811.13, 182,748.15 and 37,569.39 is: 56,363.79
Step by Step Solution
- Step 1: Write the proportion equation
121,811.13 : 182,748.15 = 37,569.39 : x - Step 2: Convert to fraction form
121,811.13/182,748.15 = 37,569.39/x - Step 3: Cross multiply
121,811.13x = 182,748.15 × 37,569.39 - Step 4: Simplify right side
121,811.13x = 6,865,736,519.13 - Step 5: Solve for x
x = 6,865,736,519.13/121,811.13 - Step 6: Final answer
x = 56,363.79
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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.