Finding the Fourth Proportional to 213,559.99, 294,663.82 and 127,502.21
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Solution
The fourth proportional to 213,559.99, 294,663.82 and 127,502.21 is: 175,923.82
Step by Step Solution
- Step 1: Write the proportion equation
213,559.99 : 294,663.82 = 127,502.21 : x - Step 2: Convert to fraction form
213,559.99/294,663.82 = 127,502.21/x - Step 3: Cross multiply
213,559.99x = 294,663.82 × 127,502.21 - Step 4: Simplify right side
213,559.99x = 37,570,288,257.04 - Step 5: Solve for x
x = 37,570,288,257.04/213,559.99 - Step 6: Final answer
x = 175,923.82
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1.5x scale
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.