Finding the Fourth Proportional to 226,861.50, 313,070.99 and 124,888.98
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Solution
The fourth proportional to 226,861.50, 313,070.99 and 124,888.98 is: 172,347.96
Step by Step Solution
- Step 1: Write the proportion equation
226,861.50 : 313,070.99 = 124,888.98 : x - Step 2: Convert to fraction form
226,861.50/313,070.99 = 124,888.98/x - Step 3: Cross multiply
226,861.50x = 313,070.99 × 124,888.98 - Step 4: Simplify right side
226,861.50x = 39,099,115,132.61 - Step 5: Solve for x
x = 39,099,115,132.61/226,861.50 - Step 6: Final answer
x = 172,347.96
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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.