Finding the Fourth Proportional to 330,440.26, 456,030.12 and 187,201.48
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Solution
The fourth proportional to 330,440.26, 456,030.12 and 187,201.48 is: 258,350.82
Step by Step Solution
- Step 1: Write the proportion equation
330,440.26 : 456,030.12 = 187,201.48 : x - Step 2: Convert to fraction form
330,440.26/456,030.12 = 187,201.48/x - Step 3: Cross multiply
330,440.26x = 456,030.12 × 187,201.48 - Step 4: Simplify right side
330,440.26x = 85,369,513,388.58 - Step 5: Solve for x
x = 85,369,513,388.58/330,440.26 - Step 6: Final answer
x = 258,350.82
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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.