Finding the Fourth Proportional to 254,832.75, 382,239.36 and 77,332.59
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Solution
The fourth proportional to 254,832.75, 382,239.36 and 77,332.59 is: 115,995.92
Step by Step Solution
- Step 1: Write the proportion equation
254,832.75 : 382,239.36 = 77,332.59 : x - Step 2: Convert to fraction form
254,832.75/382,239.36 = 77,332.59/x - Step 3: Cross multiply
254,832.75x = 382,239.36 × 77,332.59 - Step 4: Simplify right side
254,832.75x = 29,559,559,708.74 - Step 5: Solve for x
x = 29,559,559,708.74/254,832.75 - Step 6: Final answer
x = 115,995.92
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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.