Finding the Fourth Proportional to 447,430.98, 617,454.84 and 246,226.98
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Solution
The fourth proportional to 447,430.98, 617,454.84 and 246,226.98 is: 339,793.28
Step by Step Solution
- Step 1: Write the proportion equation
447,430.98 : 617,454.84 = 246,226.98 : x - Step 2: Convert to fraction form
447,430.98/617,454.84 = 246,226.98/x - Step 3: Cross multiply
447,430.98x = 617,454.84 × 246,226.98 - Step 4: Simplify right side
447,430.98x = 152,034,040,539.58 - Step 5: Solve for x
x = 152,034,040,539.58/447,430.98 - Step 6: Final answer
x = 339,793.28
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1.5x scale
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.