Finding the Fourth Proportional to 422,658.05, 583,327.92 and 261,564.98
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Solution
The fourth proportional to 422,658.05, 583,327.92 and 261,564.98 is: 360,996.69
Step by Step Solution
- Step 1: Write the proportion equation
422,658.05 : 583,327.92 = 261,564.98 : x - Step 2: Convert to fraction form
422,658.05/583,327.92 = 261,564.98/x - Step 3: Cross multiply
422,658.05x = 583,327.92 × 261,564.98 - Step 4: Simplify right side
422,658.05x = 152,578,155,728.24 - Step 5: Solve for x
x = 152,578,155,728.24/422,658.05 - Step 6: Final answer
x = 360,996.69
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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.