Finding the Fourth Proportional to 624,479.31, 936,721.44 and 151,163.91
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Solution
The fourth proportional to 624,479.31, 936,721.44 and 151,163.91 is: 226,746.46
Step by Step Solution
- Step 1: Write the proportion equation
624,479.31 : 936,721.44 = 151,163.91 : x - Step 2: Convert to fraction form
624,479.31/936,721.44 = 151,163.91/x - Step 3: Cross multiply
624,479.31x = 936,721.44 × 151,163.91 - Step 4: Simplify right side
624,479.31x = 141,598,475,451.23 - Step 5: Solve for x
x = 141,598,475,451.23/624,479.31 - Step 6: Final answer
x = 226,746.46
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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.