Finding the Fourth Proportional to 447,427.79, 617,450.45 and 246,223.79
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Solution
The fourth proportional to 447,427.79, 617,450.45 and 246,223.79 is: 339,788.88
Step by Step Solution
- Step 1: Write the proportion equation
447,427.79 : 617,450.45 = 246,223.79 : x - Step 2: Convert to fraction form
447,427.79/617,450.45 = 246,223.79/x - Step 3: Cross multiply
447,427.79x = 617,450.45 × 246,223.79 - Step 4: Simplify right side
447,427.79x = 152,030,985,617.83 - Step 5: Solve for x
x = 152,030,985,617.83/447,427.79 - Step 6: Final answer
x = 339,788.88
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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.