Finding the Fourth Proportional to 176,357.25, 243,442.76 and 122,673.42
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Solution
The fourth proportional to 176,357.25, 243,442.76 and 122,673.42 is: 169,337.84
Step by Step Solution
- Step 1: Write the proportion equation
176,357.25 : 243,442.76 = 122,673.42 : x - Step 2: Convert to fraction form
176,357.25/243,442.76 = 122,673.42/x - Step 3: Cross multiply
176,357.25x = 243,442.76 × 122,673.42 - Step 4: Simplify right side
176,357.25x = 29,863,955,330.07 - Step 5: Solve for x
x = 29,863,955,330.07/176,357.25 - Step 6: Final answer
x = 169,337.84
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1.5x scale
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.