Finding the Fourth Proportional to 461,725.36, 637,178.44 and 257,764.48
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Solution
The fourth proportional to 461,725.36, 637,178.44 and 257,764.48 is: 355,713.56
Step by Step Solution
- Step 1: Write the proportion equation
461,725.36 : 637,178.44 = 257,764.48 : x - Step 2: Convert to fraction form
461,725.36/637,178.44 = 257,764.48/x - Step 3: Cross multiply
461,725.36x = 637,178.44 × 257,764.48 - Step 4: Simplify right side
461,725.36x = 164,241,969,253.81 - Step 5: Solve for x
x = 164,241,969,253.81/461,725.36 - Step 6: Final answer
x = 355,713.56
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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.