Finding the Fourth Proportional to 330,373.08, 455,905.99 and 187,179.26
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Solution
The fourth proportional to 330,373.08, 455,905.99 and 187,179.26 is: 258,302.35
Step by Step Solution
- Step 1: Write the proportion equation
330,373.08 : 455,905.99 = 187,179.26 : x - Step 2: Convert to fraction form
330,373.08/455,905.99 = 187,179.26/x - Step 3: Cross multiply
330,373.08x = 455,905.99 × 187,179.26 - Step 4: Simplify right side
330,373.08x = 85,336,143,558.24 - Step 5: Solve for x
x = 85,336,143,558.24/330,373.08 - Step 6: Final answer
x = 258,302.35
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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.