Finding the Fourth Proportional to 316,471.14, 436,730.31 and 173,232
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Solution
The fourth proportional to 316,471.14, 436,730.31 and 173,232 is: 239,060.23
Step by Step Solution
- Step 1: Write the proportion equation
316,471.14 : 436,730.31 = 173,232 : x - Step 2: Convert to fraction form
316,471.14/436,730.31 = 173,232/x - Step 3: Cross multiply
316,471.14x = 436,730.31 × 173,232 - Step 4: Simplify right side
316,471.14x = 75,655,665,061.92 - Step 5: Solve for x
x = 75,655,665,061.92/316,471.14 - Step 6: Final answer
x = 239,060.23
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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.