Finding the Fourth Proportional to 313,437.09, 432,538.68 and 177,467.49
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Solution
The fourth proportional to 313,437.09, 432,538.68 and 177,467.49 is: 244,902.59
Step by Step Solution
- Step 1: Write the proportion equation
313,437.09 : 432,538.68 = 177,467.49 : x - Step 2: Convert to fraction form
313,437.09/432,538.68 = 177,467.49/x - Step 3: Cross multiply
313,437.09x = 432,538.68 × 177,467.49 - Step 4: Simplify right side
313,437.09x = 76,761,553,867.51 - Step 5: Solve for x
x = 76,761,553,867.51/313,437.09 - Step 6: Final answer
x = 244,902.59
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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.