Finding the Fourth Proportional to 631,862.76, 947,794.12 and 252,954.06
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Solution
The fourth proportional to 631,862.76, 947,794.12 and 252,954.06 is: 379,431.08
Step by Step Solution
- Step 1: Write the proportion equation
631,862.76 : 947,794.12 = 252,954.06 : x - Step 2: Convert to fraction form
631,862.76/947,794.12 = 252,954.06/x - Step 3: Cross multiply
631,862.76x = 947,794.12 × 252,954.06 - Step 4: Simplify right side
631,862.76x = 239,748,370,698.13 - Step 5: Solve for x
x = 239,748,370,698.13/631,862.76 - Step 6: Final answer
x = 379,431.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.