Finding the Fourth Proportional to 418,055.07, 576,923.60 and 236,804.63
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Solution
The fourth proportional to 418,055.07, 576,923.60 and 236,804.63 is: 326,794.69
Step by Step Solution
- Step 1: Write the proportion equation
418,055.07 : 576,923.60 = 236,804.63 : x - Step 2: Convert to fraction form
418,055.07/576,923.60 = 236,804.63/x - Step 3: Cross multiply
418,055.07x = 576,923.60 × 236,804.63 - Step 4: Simplify right side
418,055.07x = 136,618,175,567.63 - Step 5: Solve for x
x = 136,618,175,567.63/418,055.07 - Step 6: Final answer
x = 326,794.69
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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.