Finding the Fourth Proportional to 330,079.91, 455,521.12 and 186,836.87
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Solution
The fourth proportional to 330,079.91, 455,521.12 and 186,836.87 is: 257,841.02
Step by Step Solution
- Step 1: Write the proportion equation
330,079.91 : 455,521.12 = 186,836.87 : x - Step 2: Convert to fraction form
330,079.91/455,521.12 = 186,836.87/x - Step 3: Cross multiply
330,079.91x = 455,521.12 × 186,836.87 - Step 4: Simplify right side
330,079.91x = 85,108,140,951.41 - Step 5: Solve for x
x = 85,108,140,951.41/330,079.91 - Step 6: Final answer
x = 257,841.02
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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.