Finding the Fourth Proportional to 417,681.36, 576,391.68 and 236,390.04
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Solution
The fourth proportional to 417,681.36, 576,391.68 and 236,390.04 is: 326,213.39
Step by Step Solution
- Step 1: Write the proportion equation
417,681.36 : 576,391.68 = 236,390.04 : x - Step 2: Convert to fraction form
417,681.36/576,391.68 = 236,390.04/x - Step 3: Cross multiply
417,681.36x = 576,391.68 × 236,390.04 - Step 4: Simplify right side
417,681.36x = 136,253,252,290.87 - Step 5: Solve for x
x = 136,253,252,290.87/417,681.36 - Step 6: Final answer
x = 326,213.39
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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.