Finding the Fourth Proportional to 368,926.62, 509,119.74 and 213,908.02
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Solution
The fourth proportional to 368,926.62, 509,119.74 and 213,908.02 is: 295,193.65
Step by Step Solution
- Step 1: Write the proportion equation
368,926.62 : 509,119.74 = 213,908.02 : x - Step 2: Convert to fraction form
368,926.62/509,119.74 = 213,908.02/x - Step 3: Cross multiply
368,926.62x = 509,119.74 × 213,908.02 - Step 4: Simplify right side
368,926.62x = 108,904,795,526.32 - Step 5: Solve for x
x = 108,904,795,526.32/368,926.62 - Step 6: Final answer
x = 295,193.65
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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.