Finding the Fourth Proportional to 286,776.83, 395,749.63 and 159,451.31
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Solution
The fourth proportional to 286,776.83, 395,749.63 and 159,451.31 is: 220,041.48
Step by Step Solution
- Step 1: Write the proportion equation
286,776.83 : 395,749.63 = 159,451.31 : x - Step 2: Convert to fraction form
286,776.83/395,749.63 = 159,451.31/x - Step 3: Cross multiply
286,776.83x = 395,749.63 × 159,451.31 - Step 4: Simplify right side
286,776.83x = 63,102,798,124.20 - Step 5: Solve for x
x = 63,102,798,124.20/286,776.83 - Step 6: Final answer
x = 220,041.48
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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.