Finding the Fourth Proportional to 226,923.99, 313,197.10 and 131,430.66
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Solution
The fourth proportional to 226,923.99, 313,197.10 and 131,430.66 is: 181,398.63
Step by Step Solution
- Step 1: Write the proportion equation
226,923.99 : 313,197.10 = 131,430.66 : x - Step 2: Convert to fraction form
226,923.99/313,197.10 = 131,430.66/x - Step 3: Cross multiply
226,923.99x = 313,197.10 × 131,430.66 - Step 4: Simplify right side
226,923.99x = 41,163,700,060.02 - Step 5: Solve for x
x = 41,163,700,060.02/226,923.99 - Step 6: Final answer
x = 181,398.63
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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.