Finding the Fourth Proportional to 330,174.05, 455,641.86 and 186,962.00
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Solution
The fourth proportional to 330,174.05, 455,641.86 and 186,962.00 is: 258,008.50
Step by Step Solution
- Step 1: Write the proportion equation
330,174.05 : 455,641.86 = 186,962.00 : x - Step 2: Convert to fraction form
330,174.05/455,641.86 = 186,962.00/x - Step 3: Cross multiply
330,174.05x = 455,641.86 × 186,962.00 - Step 4: Simplify right side
330,174.05x = 85,187,711,151.11 - Step 5: Solve for x
x = 85,187,711,151.11/330,174.05 - Step 6: Final answer
x = 258,008.50
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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.