Finding the Fourth Proportional to 447,137.48, 617,061.30 and 243,201.08
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Solution
The fourth proportional to 447,137.48, 617,061.30 and 243,201.08 is: 335,623.79
Step by Step Solution
- Step 1: Write the proportion equation
447,137.48 : 617,061.30 = 243,201.08 : x - Step 2: Convert to fraction form
447,137.48/617,061.30 = 243,201.08/x - Step 3: Cross multiply
447,137.48x = 617,061.30 × 243,201.08 - Step 4: Simplify right side
447,137.48x = 150,069,974,586.20 - Step 5: Solve for x
x = 150,069,974,586.20/447,137.48 - Step 6: Final answer
x = 335,623.79
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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.