Finding the Fourth Proportional to 223,113.24, 307,438.42 and 207,362.52
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Solution
The fourth proportional to 223,113.24, 307,438.42 and 207,362.52 is: 285,734.75
Step by Step Solution
- Step 1: Write the proportion equation
223,113.24 : 307,438.42 = 207,362.52 : x - Step 2: Convert to fraction form
223,113.24/307,438.42 = 207,362.52/x - Step 3: Cross multiply
223,113.24x = 307,438.42 × 207,362.52 - Step 4: Simplify right side
223,113.24x = 63,751,205,516.02 - Step 5: Solve for x
x = 63,751,205,516.02/223,113.24 - Step 6: Final answer
x = 285,734.75
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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.