Finding the Fourth Proportional to 286,483.18, 395,346.63 and 159,170.62
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Solution
The fourth proportional to 286,483.18, 395,346.63 and 159,170.62 is: 219,655.37
Step by Step Solution
- Step 1: Write the proportion equation
286,483.18 : 395,346.63 = 159,170.62 : x - Step 2: Convert to fraction form
286,483.18/395,346.63 = 159,170.62/x - Step 3: Cross multiply
286,483.18x = 395,346.63 × 159,170.62 - Step 4: Simplify right side
286,483.18x = 62,927,568,212.01 - Step 5: Solve for x
x = 62,927,568,212.01/286,483.18 - Step 6: Final answer
x = 219,655.37
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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.