Finding the Fourth Proportional to 313,508.35, 432,646.49 and 177,538.61
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Solution
The fourth proportional to 313,508.35, 432,646.49 and 177,538.61 is: 245,006.09
Step by Step Solution
- Step 1: Write the proportion equation
313,508.35 : 432,646.49 = 177,538.61 : x - Step 2: Convert to fraction form
313,508.35/432,646.49 = 177,538.61/x - Step 3: Cross multiply
313,508.35x = 432,646.49 × 177,538.61 - Step 4: Simplify right side
313,508.35x = 76,811,453,405.05 - Step 5: Solve for x
x = 76,811,453,405.05/313,508.35 - Step 6: Final answer
x = 245,006.09
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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.