Finding the Fourth Proportional to 227,221.79, 313,551.86 and 125,248.05
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Solution
The fourth proportional to 227,221.79, 313,551.86 and 125,248.05 is: 172,834.48
Step by Step Solution
- Step 1: Write the proportion equation
227,221.79 : 313,551.86 = 125,248.05 : x - Step 2: Convert to fraction form
227,221.79/313,551.86 = 125,248.05/x - Step 3: Cross multiply
227,221.79x = 313,551.86 × 125,248.05 - Step 4: Simplify right side
227,221.79x = 39,271,759,351.99 - Step 5: Solve for x
x = 39,271,759,351.99/227,221.79 - Step 6: Final answer
x = 172,834.48
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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.