Finding the Fourth Proportional to 221,618.08, 332,424.96 and 55,406.08
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Solution
The fourth proportional to 221,618.08, 332,424.96 and 55,406.08 is: 83,108.58
Step by Step Solution
- Step 1: Write the proportion equation
221,618.08 : 332,424.96 = 55,406.08 : x - Step 2: Convert to fraction form
221,618.08/332,424.96 = 55,406.08/x - Step 3: Cross multiply
221,618.08x = 332,424.96 × 55,406.08 - Step 4: Simplify right side
221,618.08x = 18,418,363,927.76 - Step 5: Solve for x
x = 18,418,363,927.76/221,618.08 - Step 6: Final answer
x = 83,108.58
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1.5x scale
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.