Finding the Fourth Proportional to 330,045.27, 455,463.95 and 186,832.99
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Solution
The fourth proportional to 330,045.27, 455,463.95 and 186,832.99 is: 257,830.36
Step by Step Solution
- Step 1: Write the proportion equation
330,045.27 : 455,463.95 = 186,832.99 : x - Step 2: Convert to fraction form
330,045.27/455,463.95 = 186,832.99/x - Step 3: Cross multiply
330,045.27x = 455,463.95 × 186,832.99 - Step 4: Simplify right side
330,045.27x = 85,095,691,615.71 - Step 5: Solve for x
x = 85,095,691,615.71/330,045.27 - Step 6: Final answer
x = 257,830.36
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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.