Finding the Fourth Proportional to 695,378.76, 1,042,899.54 and 189,942.08
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Solution
The fourth proportional to 695,378.76, 1,042,899.54 and 189,942.08 is: 284,867.07
Step by Step Solution
- Step 1: Write the proportion equation
695,378.76 : 1,042,899.54 = 189,942.08 : x - Step 2: Convert to fraction form
695,378.76/1,042,899.54 = 189,942.08/x - Step 3: Cross multiply
695,378.76x = 1,042,899.54 × 189,942.08 - Step 4: Simplify right side
695,378.76x = 198,090,507,858.64 - Step 5: Solve for x
x = 198,090,507,858.64/695,378.76 - Step 6: Final answer
x = 284,867.07
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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.