Finding the Fourth Proportional to 147,345.99, 221,173.56 and 130,586.22
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Solution
The fourth proportional to 147,345.99, 221,173.56 and 130,586.22 is: 196,016.32
Step by Step Solution
- Step 1: Write the proportion equation
147,345.99 : 221,173.56 = 130,586.22 : x - Step 2: Convert to fraction form
147,345.99/221,173.56 = 130,586.22/x - Step 3: Cross multiply
147,345.99x = 221,173.56 × 130,586.22 - Step 4: Simplify right side
147,345.99x = 28,882,219,164.34 - Step 5: Solve for x
x = 28,882,219,164.34/147,345.99 - Step 6: Final answer
x = 196,016.32
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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.