Finding the Fourth Proportional to 177,442.74, 266,159.64 and 72,261.42
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Solution
The fourth proportional to 177,442.74, 266,159.64 and 72,261.42 is: 108,390.31
Step by Step Solution
- Step 1: Write the proportion equation
177,442.74 : 266,159.64 = 72,261.42 : x - Step 2: Convert to fraction form
177,442.74/266,159.64 = 72,261.42/x - Step 3: Cross multiply
177,442.74x = 266,159.64 × 72,261.42 - Step 4: Simplify right side
177,442.74x = 19,233,073,533.09 - Step 5: Solve for x
x = 19,233,073,533.09/177,442.74 - Step 6: Final answer
x = 108,390.31
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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.