Finding the Fourth Proportional to 197,509.80, 296,263.35 and 79,179.48
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Solution
The fourth proportional to 197,509.80, 296,263.35 and 79,179.48 is: 118,768.68
Step by Step Solution
- Step 1: Write the proportion equation
197,509.80 : 296,263.35 = 79,179.48 : x - Step 2: Convert to fraction form
197,509.80/296,263.35 = 79,179.48/x - Step 3: Cross multiply
197,509.80x = 296,263.35 × 79,179.48 - Step 4: Simplify right side
197,509.80x = 23,457,977,996.06 - Step 5: Solve for x
x = 23,457,977,996.06/197,509.80 - Step 6: Final answer
x = 118,768.68
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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.