Finding the Fourth Proportional to 447,496.36, 617,556.36 and 243,558.34
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Solution
The fourth proportional to 447,496.36, 617,556.36 and 243,558.34 is: 336,116.70
Step by Step Solution
- Step 1: Write the proportion equation
447,496.36 : 617,556.36 = 243,558.34 : x - Step 2: Convert to fraction form
447,496.36/617,556.36 = 243,558.34/x - Step 3: Cross multiply
447,496.36x = 617,556.36 × 243,558.34 - Step 4: Simplify right side
447,496.36x = 150,411,001,898.04 - Step 5: Solve for x
x = 150,411,001,898.04/447,496.36 - Step 6: Final answer
x = 336,116.70
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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.