Finding the Fourth Proportional to 575,736.76, 863,397.66 and 243,338.68
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Solution
The fourth proportional to 575,736.76, 863,397.66 and 243,338.68 is: 364,920.33
Step by Step Solution
- Step 1: Write the proportion equation
575,736.76 : 863,397.66 = 243,338.68 : x - Step 2: Convert to fraction form
575,736.76/863,397.66 = 243,338.68/x - Step 3: Cross multiply
575,736.76x = 863,397.66 × 243,338.68 - Step 4: Simplify right side
575,736.76x = 210,098,046,899.49 - Step 5: Solve for x
x = 210,098,046,899.49/575,736.76 - Step 6: Final answer
x = 364,920.33
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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.