Finding the Fourth Proportional to 447,432.00, 617,469.12 and 243,496.08
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Solution
The fourth proportional to 447,432.00, 617,469.12 and 243,496.08 is: 336,031.64
Step by Step Solution
- Step 1: Write the proportion equation
447,432.00 : 617,469.12 = 243,496.08 : x - Step 2: Convert to fraction form
447,432.00/617,469.12 = 243,496.08/x - Step 3: Cross multiply
447,432.00x = 617,469.12 × 243,496.08 - Step 4: Simplify right side
447,432.00x = 150,351,305,936.22 - Step 5: Solve for x
x = 150,351,305,936.22/447,432.00 - Step 6: Final answer
x = 336,031.64
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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.