Finding the Fourth Proportional to 147,809.17, 221,735.66 and 54,307.63
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Solution
The fourth proportional to 147,809.17, 221,735.66 and 54,307.63 is: 81,469.49
Step by Step Solution
- Step 1: Write the proportion equation
147,809.17 : 221,735.66 = 54,307.63 : x - Step 2: Convert to fraction form
147,809.17/221,735.66 = 54,307.63/x - Step 3: Cross multiply
147,809.17x = 221,735.66 × 54,307.63 - Step 4: Simplify right side
147,809.17x = 12,041,938,181.09 - Step 5: Solve for x
x = 12,041,938,181.09/147,809.17 - Step 6: Final answer
x = 81,469.49
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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.