Finding the Fourth Proportional to 447,130.92, 617,043.24 and 243,184.26
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Solution
The fourth proportional to 447,130.92, 617,043.24 and 243,184.26 is: 335,595.68
Step by Step Solution
- Step 1: Write the proportion equation
447,130.92 : 617,043.24 = 243,184.26 : x - Step 2: Convert to fraction form
447,130.92/617,043.24 = 243,184.26/x - Step 3: Cross multiply
447,130.92x = 617,043.24 × 243,184.26 - Step 4: Simplify right side
447,130.92x = 150,055,203,707.40 - Step 5: Solve for x
x = 150,055,203,707.40/447,130.92 - Step 6: Final answer
x = 335,595.68
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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.