Finding the Fourth Proportional to 447,430.79, 617,454.59 and 246,226.79
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Solution
The fourth proportional to 447,430.79, 617,454.59 and 246,226.79 is: 339,793.02
Step by Step Solution
- Step 1: Write the proportion equation
447,430.79 : 617,454.59 = 246,226.79 : x - Step 2: Convert to fraction form
447,430.79/617,454.59 = 246,226.79/x - Step 3: Cross multiply
447,430.79x = 617,454.59 × 246,226.79 - Step 4: Simplify right side
447,430.79x = 152,033,861,978.97 - Step 5: Solve for x
x = 152,033,861,978.97/447,430.79 - Step 6: Final answer
x = 339,793.02
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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.