Finding the Fourth Proportional to 516,542.84, 774,831.74 and 137,463.94
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Solution
The fourth proportional to 516,542.84, 774,831.74 and 137,463.94 is: 206,200.56
Step by Step Solution
- Step 1: Write the proportion equation
516,542.84 : 774,831.74 = 137,463.94 : x - Step 2: Convert to fraction form
516,542.84/774,831.74 = 137,463.94/x - Step 3: Cross multiply
516,542.84x = 774,831.74 × 137,463.94 - Step 4: Simplify right side
516,542.84x = 106,511,423,817.46 - Step 5: Solve for x
x = 106,511,423,817.46/516,542.84 - Step 6: Final answer
x = 206,200.56
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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.