Finding the Fourth Proportional to 417,612.08, 576,305.04 and 226,625.47
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Solution
The fourth proportional to 417,612.08, 576,305.04 and 226,625.47 is: 312,743.35
Step by Step Solution
- Step 1: Write the proportion equation
417,612.08 : 576,305.04 = 226,625.47 : x - Step 2: Convert to fraction form
417,612.08/576,305.04 = 226,625.47/x - Step 3: Cross multiply
417,612.08x = 576,305.04 × 226,625.47 - Step 4: Simplify right side
417,612.08x = 130,605,401,403.21 - Step 5: Solve for x
x = 130,605,401,403.21/417,612.08 - Step 6: Final answer
x = 312,743.35
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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.