Finding the Fourth Proportional to 226,900.96, 313,117.84 and 142,064.80
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Solution
The fourth proportional to 226,900.96, 313,117.84 and 142,064.80 is: 196,045.99
Step by Step Solution
- Step 1: Write the proportion equation
226,900.96 : 313,117.84 = 142,064.80 : x - Step 2: Convert to fraction form
226,900.96/313,117.84 = 142,064.80/x - Step 3: Cross multiply
226,900.96x = 313,117.84 × 142,064.80 - Step 4: Simplify right side
226,900.96x = 44,483,023,316.03 - Step 5: Solve for x
x = 44,483,023,316.03/226,900.96 - Step 6: Final answer
x = 196,045.99
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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.