Finding the Fourth Proportional to 401,935.05, 554,649.99 and 238,598.54
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Solution
The fourth proportional to 401,935.05, 554,649.99 and 238,598.54 is: 329,253.89
Step by Step Solution
- Step 1: Write the proportion equation
401,935.05 : 554,649.99 = 238,598.54 : x - Step 2: Convert to fraction form
401,935.05/554,649.99 = 238,598.54/x - Step 3: Cross multiply
401,935.05x = 554,649.99 × 238,598.54 - Step 4: Simplify right side
401,935.05x = 132,338,677,825.02 - Step 5: Solve for x
x = 132,338,677,825.02/401,935.05 - Step 6: Final answer
x = 329,253.89
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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.