Finding the Fourth Proportional to 277,239.24, 415,795.14 and 77,573.75
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Solution
The fourth proportional to 277,239.24, 415,795.14 and 77,573.75 is: 116,342.79
Step by Step Solution
- Step 1: Write the proportion equation
277,239.24 : 415,795.14 = 77,573.75 : x - Step 2: Convert to fraction form
277,239.24/415,795.14 = 77,573.75/x - Step 3: Cross multiply
277,239.24x = 415,795.14 × 77,573.75 - Step 4: Simplify right side
277,239.24x = 32,254,786,162.60 - Step 5: Solve for x
x = 32,254,786,162.60/277,239.24 - Step 6: Final answer
x = 116,342.79
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1.5x scale
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.