Finding the Fourth Proportional to 160,453.04, 221,420.12 and 87,852.74
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Solution
The fourth proportional to 160,453.04, 221,420.12 and 87,852.74 is: 121,234.00
Step by Step Solution
- Step 1: Write the proportion equation
160,453.04 : 221,420.12 = 87,852.74 : x - Step 2: Convert to fraction form
160,453.04/221,420.12 = 87,852.74/x - Step 3: Cross multiply
160,453.04x = 221,420.12 × 87,852.74 - Step 4: Simplify right side
160,453.04x = 19,452,362,686.76 - Step 5: Solve for x
x = 19,452,362,686.76/160,453.04 - Step 6: Final answer
x = 121,234.00
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1.5x scale
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.