Finding the Fourth Proportional to 318,347.54, 477,525.06 and 126,268.81
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Solution
The fourth proportional to 318,347.54, 477,525.06 and 126,268.81 is: 189,404.70
Step by Step Solution
- Step 1: Write the proportion equation
318,347.54 : 477,525.06 = 126,268.81 : x - Step 2: Convert to fraction form
318,347.54/477,525.06 = 126,268.81/x - Step 3: Cross multiply
318,347.54x = 477,525.06 × 126,268.81 - Step 4: Simplify right side
318,347.54x = 60,296,521,071.38 - Step 5: Solve for x
x = 60,296,521,071.38/318,347.54 - Step 6: Final answer
x = 189,404.70
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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.