Finding the Fourth Proportional to 319,277.40, 479,102.49 and 177,242.28
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Solution
The fourth proportional to 319,277.40, 479,102.49 and 177,242.28 is: 265,966.89
Step by Step Solution
- Step 1: Write the proportion equation
319,277.40 : 479,102.49 = 177,242.28 : x - Step 2: Convert to fraction form
319,277.40/479,102.49 = 177,242.28/x - Step 3: Cross multiply
319,277.40x = 479,102.49 × 177,242.28 - Step 4: Simplify right side
319,277.40x = 84,917,217,681.28 - Step 5: Solve for x
x = 84,917,217,681.28/319,277.40 - Step 6: Final answer
x = 265,966.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.