Finding the Fourth Proportional to 121,507.23, 182,267.33 and 38,394.75
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Solution
The fourth proportional to 121,507.23, 182,267.33 and 38,394.75 is: 57,594.17
Step by Step Solution
- Step 1: Write the proportion equation
121,507.23 : 182,267.33 = 38,394.75 : x - Step 2: Convert to fraction form
121,507.23/182,267.33 = 38,394.75/x - Step 3: Cross multiply
121,507.23x = 182,267.33 × 38,394.75 - Step 4: Simplify right side
121,507.23x = 6,998,108,376.54 - Step 5: Solve for x
x = 6,998,108,376.54/121,507.23 - Step 6: Final answer
x = 57,594.17
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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.