Finding the Fourth Proportional to 316,760.14, 475,136.17 and 76,876.08
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Solution
The fourth proportional to 316,760.14, 475,136.17 and 76,876.08 is: 115,313.14
Step by Step Solution
- Step 1: Write the proportion equation
316,760.14 : 475,136.17 = 76,876.08 : x - Step 2: Convert to fraction form
316,760.14/475,136.17 = 76,876.08/x - Step 3: Cross multiply
316,760.14x = 475,136.17 × 76,876.08 - Step 4: Simplify right side
316,760.14x = 36,526,606,215.81 - Step 5: Solve for x
x = 36,526,606,215.81/316,760.14 - Step 6: Final answer
x = 115,313.14
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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.