Finding the Fourth Proportional to 665,472.12, 998,011.35 and 192,161.58
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Solution
The fourth proportional to 665,472.12, 998,011.35 and 192,161.58 is: 288,185.53
Step by Step Solution
- Step 1: Write the proportion equation
665,472.12 : 998,011.35 = 192,161.58 : x - Step 2: Convert to fraction form
665,472.12/998,011.35 = 192,161.58/x - Step 3: Cross multiply
665,472.12x = 998,011.35 × 192,161.58 - Step 4: Simplify right side
665,472.12x = 191,779,437,873.93 - Step 5: Solve for x
x = 191,779,437,873.93/665,472.12 - Step 6: Final answer
x = 288,185.53
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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.