Finding the Fourth Proportional to 423,531.09, 584,473.55 and 232,556.67
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Solution
The fourth proportional to 423,531.09, 584,473.55 and 232,556.67 is: 320,928.56
Step by Step Solution
- Step 1: Write the proportion equation
423,531.09 : 584,473.55 = 232,556.67 : x - Step 2: Convert to fraction form
423,531.09/584,473.55 = 232,556.67/x - Step 3: Cross multiply
423,531.09x = 584,473.55 × 232,556.67 - Step 4: Simplify right side
423,531.09x = 135,923,221,328.30 - Step 5: Solve for x
x = 135,923,221,328.30/423,531.09 - Step 6: Final answer
x = 320,928.56
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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.