Finding the Fourth Proportional to 269,574.79, 372,012.16 and 148,723.60
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Solution
The fourth proportional to 269,574.79, 372,012.16 and 148,723.60 is: 205,237.99
Step by Step Solution
- Step 1: Write the proportion equation
269,574.79 : 372,012.16 = 148,723.60 : x - Step 2: Convert to fraction form
269,574.79/372,012.16 = 148,723.60/x - Step 3: Cross multiply
269,574.79x = 372,012.16 × 148,723.60 - Step 4: Simplify right side
269,574.79x = 55,326,987,678.98 - Step 5: Solve for x
x = 55,326,987,678.98/269,574.79 - Step 6: Final answer
x = 205,237.99
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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.