Finding the Fourth Proportional to 191,336.57, 286,943.86 and 63,228.99
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Solution
The fourth proportional to 191,336.57, 286,943.86 and 63,228.99 is: 94,823.33
Step by Step Solution
- Step 1: Write the proportion equation
191,336.57 : 286,943.86 = 63,228.99 : x - Step 2: Convert to fraction form
191,336.57/286,943.86 = 63,228.99/x - Step 3: Cross multiply
191,336.57x = 286,943.86 × 63,228.99 - Step 4: Simplify right side
191,336.57x = 18,143,170,454.50 - Step 5: Solve for x
x = 18,143,170,454.50/191,336.57 - Step 6: Final answer
x = 94,823.33
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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.