Finding the Fourth Proportional to 151,239.36, 208,708.62 and 83,254.88
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Solution
The fourth proportional to 151,239.36, 208,708.62 and 83,254.88 is: 114,890.80
Step by Step Solution
- Step 1: Write the proportion equation
151,239.36 : 208,708.62 = 83,254.88 : x - Step 2: Convert to fraction form
151,239.36/208,708.62 = 83,254.88/x - Step 3: Cross multiply
151,239.36x = 208,708.62 × 83,254.88 - Step 4: Simplify right side
151,239.36x = 17,376,011,113.07 - Step 5: Solve for x
x = 17,376,011,113.07/151,239.36 - Step 6: Final answer
x = 114,890.80
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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.