Finding the Fourth Proportional to 447,925.70, 618,137.34 and 246,721.70
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Solution
The fourth proportional to 447,925.70, 618,137.34 and 246,721.70 is: 340,475.88
Step by Step Solution
- Step 1: Write the proportion equation
447,925.70 : 618,137.34 = 246,721.70 : x - Step 2: Convert to fraction form
447,925.70/618,137.34 = 246,721.70/x - Step 3: Cross multiply
447,925.70x = 618,137.34 × 246,721.70 - Step 4: Simplify right side
447,925.70x = 152,507,895,358.28 - Step 5: Solve for x
x = 152,507,895,358.28/447,925.70 - Step 6: Final answer
x = 340,475.88
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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.