Finding the Fourth Proportional to 313,456.24, 432,574.77 and 177,486.60
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Solution
The fourth proportional to 313,456.24, 432,574.77 and 177,486.60 is: 244,934.43
Step by Step Solution
- Step 1: Write the proportion equation
313,456.24 : 432,574.77 = 177,486.60 : x - Step 2: Convert to fraction form
313,456.24/432,574.77 = 177,486.60/x - Step 3: Cross multiply
313,456.24x = 432,574.77 × 177,486.60 - Step 4: Simplify right side
313,456.24x = 76,776,225,173.08 - Step 5: Solve for x
x = 76,776,225,173.08/313,456.24 - Step 6: Final answer
x = 244,934.43
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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.