Finding the Fourth Proportional to 316,476.99, 436,738.64 and 173,246.04
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Solution
The fourth proportional to 316,476.99, 436,738.64 and 173,246.04 is: 239,079.75
Step by Step Solution
- Step 1: Write the proportion equation
316,476.99 : 436,738.64 = 173,246.04 : x - Step 2: Convert to fraction form
316,476.99/436,738.64 = 173,246.04/x - Step 3: Cross multiply
316,476.99x = 436,738.64 × 173,246.04 - Step 4: Simplify right side
316,476.99x = 75,663,239,028.76 - Step 5: Solve for x
x = 75,663,239,028.76/316,476.99 - Step 6: Final answer
x = 239,079.75
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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.