Finding the Fourth Proportional to 315,699.70, 435,665.99 and 179,733.65
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Solution
The fourth proportional to 315,699.70, 435,665.99 and 179,733.65 is: 248,032.66
Step by Step Solution
- Step 1: Write the proportion equation
315,699.70 : 435,665.99 = 179,733.65 : x - Step 2: Convert to fraction form
315,699.70/435,665.99 = 179,733.65/x - Step 3: Cross multiply
315,699.70x = 435,665.99 × 179,733.65 - Step 4: Simplify right side
315,699.70x = 78,303,837,228.83 - Step 5: Solve for x
x = 78,303,837,228.83/315,699.70 - Step 6: Final answer
x = 248,032.66
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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.