Finding the Fourth Proportional to 447,398.98, 617,398.41 and 246,194.98
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Solution
The fourth proportional to 447,398.98, 617,398.41 and 246,194.98 is: 339,742.37
Step by Step Solution
- Step 1: Write the proportion equation
447,398.98 : 617,398.41 = 246,194.98 : x - Step 2: Convert to fraction form
447,398.98/617,398.41 = 246,194.98/x - Step 3: Cross multiply
447,398.98x = 617,398.41 × 246,194.98 - Step 4: Simplify right side
447,398.98x = 152,000,389,201.98 - Step 5: Solve for x
x = 152,000,389,201.98/447,398.98 - Step 6: Final answer
x = 339,742.37
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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.