Finding the Fourth Proportional to 492,521.09, 738,781.83 and 118,544.09
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Solution
The fourth proportional to 492,521.09, 738,781.83 and 118,544.09 is: 177,816.18
Step by Step Solution
- Step 1: Write the proportion equation
492,521.09 : 738,781.83 = 118,544.09 : x - Step 2: Convert to fraction form
492,521.09/738,781.83 = 118,544.09/x - Step 3: Cross multiply
492,521.09x = 738,781.83 × 118,544.09 - Step 4: Simplify right side
492,521.09x = 87,578,216,051.98 - Step 5: Solve for x
x = 87,578,216,051.98/492,521.09 - Step 6: Final answer
x = 177,816.18
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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.