Finding the Fourth Proportional to 270,543.25, 405,881.70 and 83,554.75
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Solution
The fourth proportional to 270,543.25, 405,881.70 and 83,554.75 is: 125,352.76
Step by Step Solution
- Step 1: Write the proportion equation
270,543.25 : 405,881.70 = 83,554.75 : x - Step 2: Convert to fraction form
270,543.25/405,881.70 = 83,554.75/x - Step 3: Cross multiply
270,543.25x = 405,881.70 × 83,554.75 - Step 4: Simplify right side
270,543.25x = 33,913,343,973.08 - Step 5: Solve for x
x = 33,913,343,973.08/270,543.25 - Step 6: Final answer
x = 125,352.76
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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.