Finding the Fourth Proportional to 223,483.59, 308,418.44 and 138,627.99
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Solution
The fourth proportional to 223,483.59, 308,418.44 and 138,627.99 is: 191,313.50
Step by Step Solution
- Step 1: Write the proportion equation
223,483.59 : 308,418.44 = 138,627.99 : x - Step 2: Convert to fraction form
223,483.59/308,418.44 = 138,627.99/x - Step 3: Cross multiply
223,483.59x = 308,418.44 × 138,627.99 - Step 4: Simplify right side
223,483.59x = 42,755,427,723.00 - Step 5: Solve for x
x = 42,755,427,723.00/223,483.59 - Step 6: Final answer
x = 191,313.50
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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.