Finding the Fourth Proportional to 465,958.61, 643,239.53 and 351,283.87
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Solution
The fourth proportional to 465,958.61, 643,239.53 and 351,283.87 is: 484,935.07
Step by Step Solution
- Step 1: Write the proportion equation
465,958.61 : 643,239.53 = 351,283.87 : x - Step 2: Convert to fraction form
465,958.61/643,239.53 = 351,283.87/x - Step 3: Cross multiply
465,958.61x = 643,239.53 × 351,283.87 - Step 4: Simplify right side
465,958.61x = 225,959,671,435.38 - Step 5: Solve for x
x = 225,959,671,435.38/465,958.61 - Step 6: Final answer
x = 484,935.07
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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.