Finding the Fourth Proportional to 557,170.79, 835,740.18 and 157,810.82
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Solution
The fourth proportional to 557,170.79, 835,740.18 and 157,810.82 is: 236,711.69
Step by Step Solution
- Step 1: Write the proportion equation
557,170.79 : 835,740.18 = 157,810.82 : x - Step 2: Convert to fraction form
557,170.79/835,740.18 = 157,810.82/x - Step 3: Cross multiply
557,170.79x = 835,740.18 × 157,810.82 - Step 4: Simplify right side
557,170.79x = 131,888,838,934.05 - Step 5: Solve for x
x = 131,888,838,934.05/557,170.79 - Step 6: Final answer
x = 236,711.69
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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.