Finding the Fourth Proportional to 417,685.14, 576,268.29 and 236,379.06
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Solution
The fourth proportional to 417,685.14, 576,268.29 and 236,379.06 is: 326,125.46
Step by Step Solution
- Step 1: Write the proportion equation
417,685.14 : 576,268.29 = 236,379.06 : x - Step 2: Convert to fraction form
417,685.14/576,268.29 = 236,379.06/x - Step 3: Cross multiply
417,685.14x = 576,268.29 × 236,379.06 - Step 4: Simplify right side
417,685.14x = 136,217,756,698.01 - Step 5: Solve for x
x = 136,217,756,698.01/417,685.14 - Step 6: Final answer
x = 326,125.46
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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.