Finding the Fourth Proportional to 471,336.19, 707,114.97 and 155,793.06
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Solution
The fourth proportional to 471,336.19, 707,114.97 and 155,793.06 is: 233,726.18
Step by Step Solution
- Step 1: Write the proportion equation
471,336.19 : 707,114.97 = 155,793.06 : x - Step 2: Convert to fraction form
471,336.19/707,114.97 = 155,793.06/x - Step 3: Cross multiply
471,336.19x = 707,114.97 × 155,793.06 - Step 4: Simplify right side
471,336.19x = 110,163,604,948.11 - Step 5: Solve for x
x = 110,163,604,948.11/471,336.19 - Step 6: Final answer
x = 233,726.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.