Finding the Fourth Proportional to 313,731.41, 432,948.98 and 170,491.13
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Solution
The fourth proportional to 313,731.41, 432,948.98 and 170,491.13 is: 235,277.56
Step by Step Solution
- Step 1: Write the proportion equation
313,731.41 : 432,948.98 = 170,491.13 : x - Step 2: Convert to fraction form
313,731.41/432,948.98 = 170,491.13/x - Step 3: Cross multiply
313,731.41x = 432,948.98 × 170,491.13 - Step 4: Simplify right side
313,731.41x = 73,813,959,980.09 - Step 5: Solve for x
x = 73,813,959,980.09/313,731.41 - Step 6: Final answer
x = 235,277.56
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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.