Finding the Fourth Proportional to 330,184.12, 455,651.58 and 179,282.20
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Solution
The fourth proportional to 330,184.12, 455,651.58 and 179,282.20 is: 247,408.08
Step by Step Solution
- Step 1: Write the proportion equation
330,184.12 : 455,651.58 = 179,282.20 : x - Step 2: Convert to fraction form
330,184.12/455,651.58 = 179,282.20/x - Step 3: Cross multiply
330,184.12x = 455,651.58 × 179,282.20 - Step 4: Simplify right side
330,184.12x = 81,690,217,695.88 - Step 5: Solve for x
x = 81,690,217,695.88/330,184.12 - Step 6: Final answer
x = 247,408.08
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1.5x scale
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.