Finding the Fourth Proportional to 270,133.84, 372,766.10 and 149,273.99
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Solution
The fourth proportional to 270,133.84, 372,766.10 and 149,273.99 is: 205,987.83
Step by Step Solution
- Step 1: Write the proportion equation
270,133.84 : 372,766.10 = 149,273.99 : x - Step 2: Convert to fraction form
270,133.84/372,766.10 = 149,273.99/x - Step 3: Cross multiply
270,133.84x = 372,766.10 × 149,273.99 - Step 4: Simplify right side
270,133.84x = 55,644,282,711.08 - Step 5: Solve for x
x = 55,644,282,711.08/270,133.84 - Step 6: Final answer
x = 205,987.83
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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.