Finding the Fourth Proportional to 221,426.10, 332,139.15 and 88,237.80
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Solution
The fourth proportional to 221,426.10, 332,139.15 and 88,237.80 is: 132,356.70
Step by Step Solution
- Step 1: Write the proportion equation
221,426.10 : 332,139.15 = 88,237.80 : x - Step 2: Convert to fraction form
221,426.10/332,139.15 = 88,237.80/x - Step 3: Cross multiply
221,426.10x = 332,139.15 × 88,237.80 - Step 4: Simplify right side
221,426.10x = 29,307,227,889.87 - Step 5: Solve for x
x = 29,307,227,889.87/221,426.10 - Step 6: Final answer
x = 132,356.70
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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.