Finding the Fourth Proportional to 454,529.76, 681,729.01 and 138,901.92
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Solution
The fourth proportional to 454,529.76, 681,729.01 and 138,901.92 is: 208,332.82
Step by Step Solution
- Step 1: Write the proportion equation
454,529.76 : 681,729.01 = 138,901.92 : x - Step 2: Convert to fraction form
454,529.76/681,729.01 = 138,901.92/x - Step 3: Cross multiply
454,529.76x = 681,729.01 × 138,901.92 - Step 4: Simplify right side
454,529.76x = 94,693,468,408.70 - Step 5: Solve for x
x = 94,693,468,408.70/454,529.76 - Step 6: Final answer
x = 208,332.82
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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.