Finding the Fourth Proportional to 316,462.98, 436,719.56 and 173,232.17
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Solution
The fourth proportional to 316,462.98, 436,719.56 and 173,232.17 is: 239,060.75
Step by Step Solution
- Step 1: Write the proportion equation
316,462.98 : 436,719.56 = 173,232.17 : x - Step 2: Convert to fraction form
316,462.98/436,719.56 = 173,232.17/x - Step 3: Cross multiply
316,462.98x = 436,719.56 × 173,232.17 - Step 4: Simplify right side
316,462.98x = 75,653,877,060.25 - Step 5: Solve for x
x = 75,653,877,060.25/316,462.98 - Step 6: Final answer
x = 239,060.75
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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.