Finding the Fourth Proportional to 210,381.99, 315,665.48 and 110,518.98
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Solution
The fourth proportional to 210,381.99, 315,665.48 and 110,518.98 is: 165,827.06
Step by Step Solution
- Step 1: Write the proportion equation
210,381.99 : 315,665.48 = 110,518.98 : x - Step 2: Convert to fraction form
210,381.99/315,665.48 = 110,518.98/x - Step 3: Cross multiply
210,381.99x = 315,665.48 × 110,518.98 - Step 4: Simplify right side
210,381.99x = 34,887,026,318.22 - Step 5: Solve for x
x = 34,887,026,318.22/210,381.99 - Step 6: Final answer
x = 165,827.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.