Finding the Fourth Proportional to 293,616.69, 405,184.14 and 172,765.80
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Solution
The fourth proportional to 293,616.69, 405,184.14 and 172,765.80 is: 238,412.75
Step by Step Solution
- Step 1: Write the proportion equation
293,616.69 : 405,184.14 = 172,765.80 : x - Step 2: Convert to fraction form
293,616.69/405,184.14 = 172,765.80/x - Step 3: Cross multiply
293,616.69x = 405,184.14 × 172,765.80 - Step 4: Simplify right side
293,616.69x = 70,001,962,094.41 - Step 5: Solve for x
x = 70,001,962,094.41/293,616.69 - Step 6: Final answer
x = 238,412.75
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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.