Finding the Fourth Proportional to 417,580.99, 576,274.57 and 245,467.40
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Solution
The fourth proportional to 417,580.99, 576,274.57 and 245,467.40 is: 338,752.53
Step by Step Solution
- Step 1: Write the proportion equation
417,580.99 : 576,274.57 = 245,467.40 : x - Step 2: Convert to fraction form
417,580.99/576,274.57 = 245,467.40/x - Step 3: Cross multiply
417,580.99x = 576,274.57 × 245,467.40 - Step 4: Simplify right side
417,580.99x = 141,456,616,888.98 - Step 5: Solve for x
x = 141,456,616,888.98/417,580.99 - Step 6: Final answer
x = 338,752.53
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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.