Finding the Fourth Proportional to 453,993.09, 680,995.08 and 154,479.84
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Solution
The fourth proportional to 453,993.09, 680,995.08 and 154,479.84 is: 231,721.61
Step by Step Solution
- Step 1: Write the proportion equation
453,993.09 : 680,995.08 = 154,479.84 : x - Step 2: Convert to fraction form
453,993.09/680,995.08 = 154,479.84/x - Step 3: Cross multiply
453,993.09x = 680,995.08 × 154,479.84 - Step 4: Simplify right side
453,993.09x = 105,200,010,999.19 - Step 5: Solve for x
x = 105,200,010,999.19/453,993.09 - Step 6: Final answer
x = 231,721.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.