Finding the Fourth Proportional to 147,533.10, 221,364.45 and 68,606.70
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Solution
The fourth proportional to 147,533.10, 221,364.45 and 68,606.70 is: 102,940.18
Step by Step Solution
- Step 1: Write the proportion equation
147,533.10 : 221,364.45 = 68,606.70 : x - Step 2: Convert to fraction form
147,533.10/221,364.45 = 68,606.70/x - Step 3: Cross multiply
147,533.10x = 221,364.45 × 68,606.70 - Step 4: Simplify right side
147,533.10x = 15,187,084,411.82 - Step 5: Solve for x
x = 15,187,084,411.82/147,533.10 - Step 6: Final answer
x = 102,940.18
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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.