Finding the Fourth Proportional to 286,246.29, 395,004.46 and 158,913.68
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Solution
The fourth proportional to 286,246.29, 395,004.46 and 158,913.68 is: 219,292.31
Step by Step Solution
- Step 1: Write the proportion equation
286,246.29 : 395,004.46 = 158,913.68 : x - Step 2: Convert to fraction form
286,246.29/395,004.46 = 158,913.68/x - Step 3: Cross multiply
286,246.29x = 395,004.46 × 158,913.68 - Step 4: Simplify right side
286,246.29x = 62,771,611,560.44 - Step 5: Solve for x
x = 62,771,611,560.44/286,246.29 - Step 6: Final answer
x = 219,292.31
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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.