Finding the Fourth Proportional to 376,455.24, 519,440.46 and 213,110.64
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Solution
The fourth proportional to 376,455.24, 519,440.46 and 213,110.64 is: 294,054.32
Step by Step Solution
- Step 1: Write the proportion equation
376,455.24 : 519,440.46 = 213,110.64 : x - Step 2: Convert to fraction form
376,455.24/519,440.46 = 213,110.64/x - Step 3: Cross multiply
376,455.24x = 519,440.46 × 213,110.64 - Step 4: Simplify right side
376,455.24x = 110,698,288,872.49 - Step 5: Solve for x
x = 110,698,288,872.49/376,455.24 - Step 6: Final answer
x = 294,054.32
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1.5x scale
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.