Finding the Fourth Proportional to 216,513.32, 298,798.00 and 121,019.99
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Solution
The fourth proportional to 216,513.32, 298,798.00 and 121,019.99 is: 167,012.96
Step by Step Solution
- Step 1: Write the proportion equation
216,513.32 : 298,798.00 = 121,019.99 : x - Step 2: Convert to fraction form
216,513.32/298,798.00 = 121,019.99/x - Step 3: Cross multiply
216,513.32x = 298,798.00 × 121,019.99 - Step 4: Simplify right side
216,513.32x = 36,160,529,175.48 - Step 5: Solve for x
x = 36,160,529,175.48/216,513.32 - Step 6: Final answer
x = 167,012.96
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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.