Finding the Fourth Proportional to 191,928.93, 287,937.69 and 56,989.99
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Solution
The fourth proportional to 191,928.93, 287,937.69 and 56,989.99 is: 85,498.14
Step by Step Solution
- Step 1: Write the proportion equation
191,928.93 : 287,937.69 = 56,989.99 : x - Step 2: Convert to fraction form
191,928.93/287,937.69 = 56,989.99/x - Step 3: Cross multiply
191,928.93x = 287,937.69 × 56,989.99 - Step 4: Simplify right side
191,928.93x = 16,409,566,540.50 - Step 5: Solve for x
x = 16,409,566,540.50/191,928.93 - Step 6: Final answer
x = 85,498.14
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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.