Finding the Fourth Proportional to 368,693.01, 508,953.62 and 247,904.31
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Solution
The fourth proportional to 368,693.01, 508,953.62 and 247,904.31 is: 342,213.69
Step by Step Solution
- Step 1: Write the proportion equation
368,693.01 : 508,953.62 = 247,904.31 : x - Step 2: Convert to fraction form
368,693.01/508,953.62 = 247,904.31/x - Step 3: Cross multiply
368,693.01x = 508,953.62 × 247,904.31 - Step 4: Simplify right side
368,693.01x = 126,171,795,988.10 - Step 5: Solve for x
x = 126,171,795,988.10/368,693.01 - Step 6: Final answer
x = 342,213.69
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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.