Finding the Fourth Proportional to 320,440.36, 481,076.08 and 214,502.08
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Solution
The fourth proportional to 320,440.36, 481,076.08 and 214,502.08 is: 322,031.28
Step by Step Solution
- Step 1: Write the proportion equation
320,440.36 : 481,076.08 = 214,502.08 : x - Step 2: Convert to fraction form
320,440.36/481,076.08 = 214,502.08/x - Step 3: Cross multiply
320,440.36x = 481,076.08 × 214,502.08 - Step 4: Simplify right side
320,440.36x = 103,191,819,798.25 - Step 5: Solve for x
x = 103,191,819,798.25/320,440.36 - Step 6: Final answer
x = 322,031.28
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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.