Finding the Fourth Proportional to 399,053.69, 598,586.00 and 132,815.14
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Solution
The fourth proportional to 399,053.69, 598,586.00 and 132,815.14 is: 199,224.53
Step by Step Solution
- Step 1: Write the proportion equation
399,053.69 : 598,586.00 = 132,815.14 : x - Step 2: Convert to fraction form
399,053.69/598,586.00 = 132,815.14/x - Step 3: Cross multiply
399,053.69x = 598,586.00 × 132,815.14 - Step 4: Simplify right side
399,053.69x = 79,501,285,345.63 - Step 5: Solve for x
x = 79,501,285,345.63/399,053.69 - Step 6: Final answer
x = 199,224.53
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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.