Finding the Fourth Proportional to 391,834.71, 587,749.49 and 107,503.02
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Solution
The fourth proportional to 391,834.71, 587,749.49 and 107,503.02 is: 161,253.82
Step by Step Solution
- Step 1: Write the proportion equation
391,834.71 : 587,749.49 = 107,503.02 : x - Step 2: Convert to fraction form
391,834.71/587,749.49 = 107,503.02/x - Step 3: Cross multiply
391,834.71x = 587,749.49 × 107,503.02 - Step 4: Simplify right side
391,834.71x = 63,184,844,640.94 - Step 5: Solve for x
x = 63,184,844,640.94/391,834.71 - Step 6: Final answer
x = 161,253.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.