Finding the Fourth Proportional to 317,614.76, 438,312.02 and 174,371.73
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Solution
The fourth proportional to 317,614.76, 438,312.02 and 174,371.73 is: 240,634.99
Step by Step Solution
- Step 1: Write the proportion equation
317,614.76 : 438,312.02 = 174,371.73 : x - Step 2: Convert to fraction form
317,614.76/438,312.02 = 174,371.73/x - Step 3: Cross multiply
317,614.76x = 438,312.02 × 174,371.73 - Step 4: Simplify right side
317,614.76x = 76,429,225,207.19 - Step 5: Solve for x
x = 76,429,225,207.19/317,614.76 - Step 6: Final answer
x = 240,634.99
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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.