Finding the Fourth Proportional to 290,118.69, 435,177.36 and 163,701.54
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Solution
The fourth proportional to 290,118.69, 435,177.36 and 163,701.54 is: 245,551.93
Step by Step Solution
- Step 1: Write the proportion equation
290,118.69 : 435,177.36 = 163,701.54 : x - Step 2: Convert to fraction form
290,118.69/435,177.36 = 163,701.54/x - Step 3: Cross multiply
290,118.69x = 435,177.36 × 163,701.54 - Step 4: Simplify right side
290,118.69x = 71,239,204,005.13 - Step 5: Solve for x
x = 71,239,204,005.13/290,118.69 - Step 6: Final answer
x = 245,551.93
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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.