Finding the Fourth Proportional to 286,690.68, 395,632.62 and 159,365.88
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Solution
The fourth proportional to 286,690.68, 395,632.62 and 159,365.88 is: 219,924.63
Step by Step Solution
- Step 1: Write the proportion equation
286,690.68 : 395,632.62 = 159,365.88 : x - Step 2: Convert to fraction form
286,690.68/395,632.62 = 159,365.88/x - Step 3: Cross multiply
286,690.68x = 395,632.62 × 159,365.88 - Step 4: Simplify right side
286,690.68x = 63,050,340,643.01 - Step 5: Solve for x
x = 63,050,340,643.01/286,690.68 - Step 6: Final answer
x = 219,924.63
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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.