Finding the Fourth Proportional to 274,084.36, 411,017.53 and 105,511.08
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Solution
The fourth proportional to 274,084.36, 411,017.53 and 105,511.08 is: 158,224.66
Step by Step Solution
- Step 1: Write the proportion equation
274,084.36 : 411,017.53 = 105,511.08 : x - Step 2: Convert to fraction form
274,084.36/411,017.53 = 105,511.08/x - Step 3: Cross multiply
274,084.36x = 411,017.53 × 105,511.08 - Step 4: Simplify right side
274,084.36x = 43,366,903,489.23 - Step 5: Solve for x
x = 43,366,903,489.23/274,084.36 - Step 6: Final answer
x = 158,224.66
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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.