Finding the Fourth Proportional to 147,283.55, 203,252.64 and 83,622.70
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Solution
The fourth proportional to 147,283.55, 203,252.64 and 83,622.70 is: 115,400.08
Step by Step Solution
- Step 1: Write the proportion equation
147,283.55 : 203,252.64 = 83,622.70 : x - Step 2: Convert to fraction form
147,283.55/203,252.64 = 83,622.70/x - Step 3: Cross multiply
147,283.55x = 203,252.64 × 83,622.70 - Step 4: Simplify right side
147,283.55x = 16,996,533,522.66 - Step 5: Solve for x
x = 16,996,533,522.66/147,283.55 - Step 6: Final answer
x = 115,400.08
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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.