Finding the Fourth Proportional to 286,334.10, 394,959.44 and 175,904.44
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Solution
The fourth proportional to 286,334.10, 394,959.44 and 175,904.44 is: 242,636.55
Step by Step Solution
- Step 1: Write the proportion equation
286,334.10 : 394,959.44 = 175,904.44 : x - Step 2: Convert to fraction form
286,334.10/394,959.44 = 175,904.44/x - Step 3: Cross multiply
286,334.10x = 394,959.44 × 175,904.44 - Step 4: Simplify right side
286,334.10x = 69,475,118,568.28 - Step 5: Solve for x
x = 69,475,118,568.28/286,334.10 - Step 6: Final answer
x = 242,636.55
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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.