Finding the Fourth Proportional to 330,291.24, 455,830.08 and 187,076.76
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Solution
The fourth proportional to 330,291.24, 455,830.08 and 187,076.76 is: 258,181.88
Step by Step Solution
- Step 1: Write the proportion equation
330,291.24 : 455,830.08 = 187,076.76 : x - Step 2: Convert to fraction form
330,291.24/455,830.08 = 187,076.76/x - Step 3: Cross multiply
330,291.24x = 455,830.08 × 187,076.76 - Step 4: Simplify right side
330,291.24x = 85,275,214,476.94 - Step 5: Solve for x
x = 85,275,214,476.94/330,291.24 - Step 6: Final answer
x = 258,181.88
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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.