Finding the Fourth Proportional to 450,318.71, 621,338.07 and 268,995.14
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Solution
The fourth proportional to 450,318.71, 621,338.07 and 268,995.14 is: 371,152.52
Step by Step Solution
- Step 1: Write the proportion equation
450,318.71 : 621,338.07 = 268,995.14 : x - Step 2: Convert to fraction form
450,318.71/621,338.07 = 268,995.14/x - Step 3: Cross multiply
450,318.71x = 621,338.07 × 268,995.14 - Step 4: Simplify right side
450,318.71x = 167,136,922,680.33 - Step 5: Solve for x
x = 167,136,922,680.33/450,318.71 - Step 6: Final answer
x = 371,152.52
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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.