Finding the Fourth Proportional to 391,501.50, 587,339.63 and 125,277.99
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Solution
The fourth proportional to 391,501.50, 587,339.63 and 125,277.99 is: 187,944.94
Step by Step Solution
- Step 1: Write the proportion equation
391,501.50 : 587,339.63 = 125,277.99 : x - Step 2: Convert to fraction form
391,501.50/587,339.63 = 125,277.99/x - Step 3: Cross multiply
391,501.50x = 587,339.63 × 125,277.99 - Step 4: Simplify right side
391,501.50x = 73,580,727,667.35 - Step 5: Solve for x
x = 73,580,727,667.35/391,501.50 - Step 6: Final answer
x = 187,944.94
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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.