Finding the Fourth Proportional to 159,818.81, 239,686.70 and 47,472.62
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Solution
The fourth proportional to 159,818.81, 239,686.70 and 47,472.62 is: 71,196.59
Step by Step Solution
- Step 1: Write the proportion equation
159,818.81 : 239,686.70 = 47,472.62 : x - Step 2: Convert to fraction form
159,818.81/239,686.70 = 47,472.62/x - Step 3: Cross multiply
159,818.81x = 239,686.70 × 47,472.62 - Step 4: Simplify right side
159,818.81x = 11,378,554,192.36 - Step 5: Solve for x
x = 11,378,554,192.36/159,818.81 - Step 6: Final answer
x = 71,196.59
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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.