Finding the Fourth Proportional to 216,534.76, 298,795.62 and 121,038.76
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Solution
The fourth proportional to 216,534.76, 298,795.62 and 121,038.76 is: 167,021.00
Step by Step Solution
- Step 1: Write the proportion equation
216,534.76 : 298,795.62 = 121,038.76 : x - Step 2: Convert to fraction form
216,534.76/298,795.62 = 121,038.76/x - Step 3: Cross multiply
216,534.76x = 298,795.62 × 121,038.76 - Step 4: Simplify right side
216,534.76x = 36,165,851,338.23 - Step 5: Solve for x
x = 36,165,851,338.23/216,534.76 - Step 6: Final answer
x = 167,021.00
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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.