Finding the Fourth Proportional to 343,618.24, 515,303.84 and 118,917.64
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Solution
The fourth proportional to 343,618.24, 515,303.84 and 118,917.64 is: 178,333.71
Step by Step Solution
- Step 1: Write the proportion equation
343,618.24 : 515,303.84 = 118,917.64 : x - Step 2: Convert to fraction form
343,618.24/515,303.84 = 118,917.64/x - Step 3: Cross multiply
343,618.24x = 515,303.84 × 118,917.64 - Step 4: Simplify right side
343,618.24x = 61,278,716,535.74 - Step 5: Solve for x
x = 61,278,716,535.74/343,618.24 - Step 6: Final answer
x = 178,333.71
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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.