Finding the Fourth Proportional to 313,482.16, 432,608.28 and 170,243.44
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Solution
The fourth proportional to 313,482.16, 432,608.28 and 170,243.44 is: 234,937.52
Step by Step Solution
- Step 1: Write the proportion equation
313,482.16 : 432,608.28 = 170,243.44 : x - Step 2: Convert to fraction form
313,482.16/432,608.28 = 170,243.44/x - Step 3: Cross multiply
313,482.16x = 432,608.28 × 170,243.44 - Step 4: Simplify right side
313,482.16x = 73,648,721,759.68 - Step 5: Solve for x
x = 73,648,721,759.68/313,482.16 - Step 6: Final answer
x = 234,937.52
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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.