Finding the Fourth Proportional to 665,606.12, 998,212.08 and 192,295.76
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Solution
The fourth proportional to 665,606.12, 998,212.08 and 192,295.76 is: 288,386.70
Step by Step Solution
- Step 1: Write the proportion equation
665,606.12 : 998,212.08 = 192,295.76 : x - Step 2: Convert to fraction form
665,606.12/998,212.08 = 192,295.76/x - Step 3: Cross multiply
665,606.12x = 998,212.08 × 192,295.76 - Step 4: Simplify right side
665,606.12x = 191,951,950,564.78 - Step 5: Solve for x
x = 191,951,950,564.78/665,606.12 - Step 6: Final answer
x = 288,386.70
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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.