Finding the Fourth Proportional to 221,461.09, 332,030.70 and 88,301.41
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Solution
The fourth proportional to 221,461.09, 332,030.70 and 88,301.41 is: 132,387.95
Step by Step Solution
- Step 1: Write the proportion equation
221,461.09 : 332,030.70 = 88,301.41 : x - Step 2: Convert to fraction form
221,461.09/332,030.70 = 88,301.41/x - Step 3: Cross multiply
221,461.09x = 332,030.70 × 88,301.41 - Step 4: Simplify right side
221,461.09x = 29,318,778,973.29 - Step 5: Solve for x
x = 29,318,778,973.29/221,461.09 - Step 6: Final answer
x = 132,387.95
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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.