Finding the Fourth Proportional to 484,508.47, 668,471.19 and 274,921.99
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Solution
The fourth proportional to 484,508.47, 668,471.19 and 274,921.99 is: 379,306.95
Step by Step Solution
- Step 1: Write the proportion equation
484,508.47 : 668,471.19 = 274,921.99 : x - Step 2: Convert to fraction form
484,508.47/668,471.19 = 274,921.99/x - Step 3: Cross multiply
484,508.47x = 668,471.19 × 274,921.99 - Step 4: Simplify right side
484,508.47x = 183,777,429,812.47 - Step 5: Solve for x
x = 183,777,429,812.47/484,508.47 - Step 6: Final answer
x = 379,306.95
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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.