Finding the Fourth Proportional to 147,810.02, 221,687.36 and 47,971.08
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Solution
The fourth proportional to 147,810.02, 221,687.36 and 47,971.08 is: 71,947.64
Step by Step Solution
- Step 1: Write the proportion equation
147,810.02 : 221,687.36 = 47,971.08 : x - Step 2: Convert to fraction form
147,810.02/221,687.36 = 47,971.08/x - Step 3: Cross multiply
147,810.02x = 221,687.36 × 47,971.08 - Step 4: Simplify right side
147,810.02x = 10,634,582,081.55 - Step 5: Solve for x
x = 10,634,582,081.55/147,810.02 - Step 6: Final answer
x = 71,947.64
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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.