Finding the Fourth Proportional to 692,072.76, 1,038,163.50 and 186,626.16
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Solution
The fourth proportional to 692,072.76, 1,038,163.50 and 186,626.16 is: 279,953.90
Step by Step Solution
- Step 1: Write the proportion equation
692,072.76 : 1,038,163.50 = 186,626.16 : x - Step 2: Convert to fraction form
692,072.76/1,038,163.50 = 186,626.16/x - Step 3: Cross multiply
692,072.76x = 1,038,163.50 × 186,626.16 - Step 4: Simplify right side
692,072.76x = 193,748,467,457.16 - Step 5: Solve for x
x = 193,748,467,457.16/692,072.76 - Step 6: Final answer
x = 279,953.90
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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.