Finding the Fourth Proportional to 356,127.98, 491,437.94 and 194,952.18
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Solution
The fourth proportional to 356,127.98, 491,437.94 and 194,952.18 is: 269,023.79
Step by Step Solution
- Step 1: Write the proportion equation
356,127.98 : 491,437.94 = 194,952.18 : x - Step 2: Convert to fraction form
356,127.98/491,437.94 = 194,952.18/x - Step 3: Cross multiply
356,127.98x = 491,437.94 × 194,952.18 - Step 4: Simplify right side
356,127.98x = 95,806,897,737.71 - Step 5: Solve for x
x = 95,806,897,737.71/356,127.98 - Step 6: Final answer
x = 269,023.79
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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.