Finding the Fourth Proportional to 274,316.63, 411,101.33 and 154,430.75
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Solution
The fourth proportional to 274,316.63, 411,101.33 and 154,430.75 is: 231,435.80
Step by Step Solution
- Step 1: Write the proportion equation
274,316.63 : 411,101.33 = 154,430.75 : x - Step 2: Convert to fraction form
274,316.63/411,101.33 = 154,430.75/x - Step 3: Cross multiply
274,316.63x = 411,101.33 × 154,430.75 - Step 4: Simplify right side
274,316.63x = 63,486,686,973.50 - Step 5: Solve for x
x = 63,486,686,973.50/274,316.63 - Step 6: Final answer
x = 231,435.80
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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.