Finding the Fourth Proportional to 199,266.99, 274,988.16 and 108,623.13
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Solution
The fourth proportional to 199,266.99, 274,988.16 and 108,623.13 is: 149,899.76
Step by Step Solution
- Step 1: Write the proportion equation
199,266.99 : 274,988.16 = 108,623.13 : x - Step 2: Convert to fraction form
199,266.99/274,988.16 = 108,623.13/x - Step 3: Cross multiply
199,266.99x = 274,988.16 × 108,623.13 - Step 4: Simplify right side
199,266.99x = 29,870,074,652.14 - Step 5: Solve for x
x = 29,870,074,652.14/199,266.99 - Step 6: Final answer
x = 149,899.76
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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.