Finding the Fourth Proportional to 177,761.52, 266,740.68 and 106,509.06
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Solution
The fourth proportional to 177,761.52, 266,740.68 and 106,509.06 is: 159,822.55
Step by Step Solution
- Step 1: Write the proportion equation
177,761.52 : 266,740.68 = 106,509.06 : x - Step 2: Convert to fraction form
177,761.52/266,740.68 = 106,509.06/x - Step 3: Cross multiply
177,761.52x = 266,740.68 × 106,509.06 - Step 4: Simplify right side
177,761.52x = 28,410,299,090.56 - Step 5: Solve for x
x = 28,410,299,090.56/177,761.52 - Step 6: Final answer
x = 159,822.55
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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.