Finding the Fourth Proportional to 319,731.06, 441,232.50 and 176,491.17
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Solution
The fourth proportional to 319,731.06, 441,232.50 and 176,491.17 is: 243,559.82
Step by Step Solution
- Step 1: Write the proportion equation
319,731.06 : 441,232.50 = 176,491.17 : x - Step 2: Convert to fraction form
319,731.06/441,232.50 = 176,491.17/x - Step 3: Cross multiply
319,731.06x = 441,232.50 × 176,491.17 - Step 4: Simplify right side
319,731.06x = 77,873,640,167.03 - Step 5: Solve for x
x = 77,873,640,167.03/319,731.06 - Step 6: Final answer
x = 243,559.82
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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.